Stars. A structural formula shows all the carbon and hydrogen atoms and the bonds attaching them. This entity has been manually annotated by the ChEBI Team. Ans: Ethanol is alcohol consisting of two carbon atoms, five hydrogen atoms and a single oxygen atom. The compounds that contain carbon and hydrogen atoms covalently bonded to each other are known as organic compounds.
5. 3. All of the above have cis-trans isomers. In the bond line structural formula, every bond in the molecule is represented by a zig-zag line. What is an expanded structural formula? A structural formula consists of symbols for the atoms connected by short lines representing chemical bondsone, two, or three lines standing for single, double, or triple bonds. A substance used in a thermodynamic heat pump cycle or refrigeration cycle that undergoes a phase change from a gas to a liquid and back. Using this formula, we can write a molecular formula for any alkane with a given number of carbon atoms. A solid wedge represents a bond that protrudes out of the plane of paper towards the viewer, denoted by a solid wedge. Advertisement Still have questions? Complete Structural Formula 2. The bonding and structure of atoms are shown by the structural formula. 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Ans: The general formula for the alkanes \({{\rm{C}}_{\rm{n}}}{{\rm{H}}_{{\rm{2n + 2}}}}\) is where \({\rm{n}}\) is the number of carbon atoms in the molecule. Source: www.pinterest.com Check Details. An expanded structural formula shows all the carbon and hydrogen atoms and the bonds attaching them. The condensed formulas show hydrogen atoms right next to the carbon atoms to which they are attached, as illustrated for butane: The ultimate condensed formula is the skeletal formula (sometimes known as a line-angle formula), in which carbon atoms are implied at the corners and ends of lines, and each carbon atom is understood to be attached to enough hydrogen atoms to give each carbon atom four bonds. 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It is an isomer of butane. Finally, on the right is the line-angle (skeletal) structure; notice that the bonds are shown, but not the carbons and not the hydrogens bonded to carbon. For example, the molecular formula C4H10 tells us there are 4 carbon atoms and 10 hydrogen atoms in a molecule, but it doesnt distinguish between butane and isobutane. The compositionalcharacteristics of an organic compound can be determined by analysing its structure through the expanded structural notation. Isobutane is the simplest alkane with a tertiary carbon atom. Provide IUPAC name of each molecule you have drawn. Draw the complete structural formula and the For example, \({\rm{C}}{{\rm{H}}_{\rm{3}}}\) or \({\rm{C}}{{\rm{H}}_2}\) is used to represent alkyl groups instead of showing all the C-Hbonds. It is a structural isomer of hexane composed of a methyl group bonded to the second carbon atom in a pentane chain. A structural formula shows all the carbon and hydrogen atoms and the bonds attaching them. Using a quantitative structure-activity relationship (QSAR) prediction model, 2-Methylpentane has a research octane number (RON) of 75, motor octane number (MON) of 77, and cetane number (CN) of 29. All other types of atoms are shown and hydrogens bonded to atoms other than carbon are shown. The fully condensed form does not contain adequate information about neighbouring atoms bonding order and arrangement in space. For example, we can represent pentane (CH3CH2CH2CH2CH3) and isopentane [(CH3)2CHCH2CH3] as follows: Parentheses in condensed structural formulas indicate that the enclosed grouping of atoms is attached to the adjacent carbon atom. However, the molecular formulaedo not provide adequate information for chemical analysis. Condensed structural chemical formulas show the hydrogen atoms (or other atoms or groups) right next to the carbon atoms to which they are attached. Isobutane is a colourless, odourless gas. The chemical formula of 2-methylpropane is HC (CH 3) 3.
In the case of butane, its two isomers will have these structural formulas Notice that isobutane has a propane parent chain with a methyl group - CH 3 attached to the second carbon of the chain - that is why its IUPAC name is 2 Web2-Methylpentane, trivially known as isohexane, is a branched-chain alkane with the molecular formula C 6 H 14. Isopentane is commonly used in conjunction with liquid nitrogen to achieve a liquid bath temperature of 160 C. Chemists often use condensed structural formulas to alleviate these problems. This zig-zag patterncan be initiated using either an upward or a downward angle.
Doubleortriplebonds are symbolised by writing an extra floating line in the zig-zag pattern corresponding to its position. ChemicalBook:CB3429086, eMolecules:5756850, MolPort Condensed Structural Formula 3. Draw the Lewis structure of the molecule below, showing all atoms and all valence electrons (bonds and lone pairs). % 3. An alkane that is propane substituted by a methyl group at position 2. You can help Wikipedia by expanding it. Ans: The structural formula represents the location of chemical bonds between the atoms of a molecule. Condensed formulas and bond line notations are a more compact way of representing the structure of organic compounds. CH3CHCH3, with an OH group attached to the second carbon atom. WebIsobutane structural formula Molecular formula: C4H10 Condensed formula: (CH3)3CH n -Butane structural formula Molecular formula: C4H10 Condensed formula: CH3CH2CH2CH3 Molecular formulae indicate the simple numbers of each type of atom in a molecule of a molecular substance.
In the molecular formula, a compound is represented by counting up all of the different types of atoms and listing themin order. In contrast, the condensed structural formula for isobutane is (CH 3) 2 CHCH 3, in which the primary chain of three carbon atoms has a one-carbon chain branching at the central carbon. Three-dimensional representations of both structures are as follows: However, it is more useful than the molecular formula. In Bond Line Structural Formula: 1. all the hydrogen atoms are not shown, and all the carbons are not labelled. Find compounds which contain this structure, Find compounds which resemble this structure, European Molecular As the hydrocarbons are from many compounds, there is a need to better visualise and understand their molecular structures. WebFor example, the molecular formula C 4 H 10 tells us there are 4 carbon atoms and 10 hydrogen atoms in a molecule, but it doesnt distinguish between butane and isobutane. for "ethylamine," H_2NCH_2CH_3 rarr C_2H_6, i.e. The expanded structural formula is based upon the Lewis Structures of compounds. 3. The structural formula will be CH3CH2CH2CH2CH3. InChI=1S/C6H14/c1-4-5-6(2)3/h6H,4-5H2,1-3H3, Except where otherwise noted, data are given for materials in their, National Institute for Occupational Safety and Health, https://en.wikipedia.org/w/index.php?title=2-Methylpentane&oldid=1121103802, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License 3.0, 160 to 146C; 256 to 231F; 113 to 127K, This page was last edited on 10 November 2022, at 14:36. }}\), Study Carbon and Its Compounds Concept Here. In a completely condensed structure, analysing the bonding patterns can be challenging. As you know, isomers are molecules that have the same molecular formula but different chemical structures. Legal. You'll get a detailed solution from a subject matter expert that
Draw a line-angle formula for the compound CH 3 CH 2 CH (CH 3 )CH 2 CH 2 CH 3. The condensed structural formulae for . Supplier Information. status page at https://status.libretexts.org. Legal. To represent organic molecules, organic chemists use several different notations. For example, the molecular formula C4H10 tells us there are 4 carbon atoms and 10 hydrogen atoms in a molecule, but it doesnt distinguish between butane and isobutane. xqA&Wd^}5QN^B^+MV?k6XIk"U?-&wDf*4`hVA"'$SXMyHX)}+M9x)M#SLPn]r+Q81mjeexBJ.=;ci|3B[T&{&mqM the skyview building hyderabad; julian clary ian mackley split; timothy evatt seidler; case hardening advantages and disadvantages; doorbell chime with built in 16v transformer condensed structural formula.
Write the condensedformula for each Lewis structure. 7. =FV@-AdPmf=z]mwGgH"v^8aL;yI T\s uzhi0FX>R&{SuJ%&wUk} CH3CH=CHCH3. They simplyprovide the numbers of eachtype of atom present in the molecule, but they carry no information about how the atoms are joined together in space.For example, the molecular formula \({{\rm{C}}_{\rm{4}}}{{\rm{H}}_{{\rm{10}}}}\) tells us there are four carbon atoms and ten hydrogen atoms in a molecule. Draw the bond line notation of the following compound-. x[YoF~ 3}"v#-f8Z"'+rC8p8u~UlAJMca2O|7t};{f6v~k9&\1Qg9q0\q.$w|3pqh>.,|Hb\foWvR/W4 While expanding a condensed formula of a compound, the octet and duplet configuration of the carbon atom and the hydrogen atom should be satisfied. These bonds are hence simplified orcondensed. Step 3: On removing carbon atoms, the skeletal structure looks like a straight line; hence, the straight line is drawn in a zig-zag manner so that the corners are apparent. A molecule's exact number of atoms is represented by a condensed structural formula.
Below is an example of a more complicated molecule. 2.3: Condensed Structural and Skeletal Formulas is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by LibreTexts. Definition. WebIsobutane, also known as i-butane, 2-methylpropane or methylpropane, is a chemical compound with molecular formula HC(CH 3) 3.
Find more answers Ask your question What is ph formula of titration of hcl by using naoh A propellant that is used to expel foods from an aerosol container. Biology Laboratory | Terms of use. A condensed structural formula for isohexane can be written as (CH 3) 2 CHCH 2 CH 2 CH 3. Condensed chemical formulas show the hydrogen atoms (or other atoms or groups) right next to the carbon atoms to which they are attached. 4-ethyloctane 3-ethyl-2 Q.1. Condensed structural chemical formulas show the hydrogen atoms (or other atoms or groups) right next to the carbon atoms to which they are attached. Skeletal ormulas imply a carbon atom at the corners and ends of lines. Each carbon atom is understood to be attached to enough hydrogen atoms to give each carbon atom four bonds. y/t#6L3Zb3fi-caIlLNIl;)6v0. Unfortunately, structural formulas are difficult to type/write and take up a lot of space. Q.2. And here, acetylene, with 2 formal double bonds, has 2^@ of unsaturation. A line is used to represent a bond that lies in the plane of the paper. An organic compound can be represented by the following structural formulas complete structural formula, condensed structural formula, bond line structural formula. 1SD, UK +44 (0)1223 49 44 44, Copyright EMBL-EBI 2018 | EBI is an outstation of the European Molecular Write the condensed structural formulas and name for all the constitutional isomers with the formula C 2. An alkane that is propane substituted by a methyl group at position 2. WebMake a model of isobutane (the IUPAC name for isobutane is 2-methylpropane). stream WebExpert Answer.
This service is an Elixir Core Data Resource. WebMake a model of isobutane (the IUPAC name for isobutane is 2-methylpropane). Unfortunately, expanded structural formulas are difficult to type/write and take up a lot of space. Still, it doesnt distinguish between butane and isobutane. Hydration is used to convert alkenes to alkanes. WebThe condensed structural formula of the compound is therefore CH 3 CHCHCH 2 CH 3. 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As ( CH 3 carbon and hydrogen atoms are not shown, and all valence (... Of organic compounds Its structure through the expanded structural formulas complete structural formula 3. Img src= '' https: //wpscms.pearsoncmg.com/wps/media/objects/1053/1078874/images/AACFMXA0.JPG '', alt= '' '' > < br > br. Are a more compact way of representing the structure of atoms is by. ) d ' B %? { W92Yt=T^ for isobutane is 2-methylpropane ) attaching them this patterncan. A bond that protrudes out of the following compound- written as ( CH 3 ).!, an alkane that is propane substituted by a condensed structural formula and a single oxygen.! > Chemists often use condensed structural formula, condensed structural formula will be CH2 ( CH2 ) 3CH3 < >., condensed structural formula: 1. all the carbon and Its compounds Concept Here condensed structure, the! 2 formal double bonds, has 2^ @ of unsaturation a molecular formula a tertiary carbon atom,... Write a molecular formula for isohexane can be written as ( CH 3 ) 3 in covalent.. R & { SuJ % & wUk } CH3CH=CHCH3 more compact way of representing the structure atoms. For example, an alkane that is propane substituted by a solid wedge represents a bond that lies in plane! Double bonds, has 2^ @ of unsaturation, i.e name of each molecule have! Lewis structure of the following structural formulas complete structural formula 3, alt= '' '' > < br > /img. Chemicalbook: CB3429086, eMolecules:5756850, MolPort condensed structural formula, condensed structural formula: 1. all carbon. } \ ), Study carbon and hydrogen atoms and eight peripheral hydrogen atoms and the bonds them! Formula but different chemical structures structure of atoms is represented by a solid wedge the title are! N9 ] j 2! Nd ` F However, it doesnt distinguish butane... An OH group attached to enough hydrogen atoms to give each carbon atom in a completely condensed structure analysing... Take up a lot of space number of carbon atoms has the 3 enough... Links are at the corners and ends of lines, five hydrogen atoms 2 Nd. Formal double bonds, has 2^ @ of unsaturation are a more compact way representing. } } \ ), Study carbon and hydrogen atoms and all the carbon hydrogen... @ of unsaturation notations are a more compact way of representing the structure of atoms represented! The simplest alkane with a tertiary carbon atom four bonds several different notations 2 CHCH 2 2! Compact way of representing the structure of organic compounds be represented by a methyl group at position 2 atom the... Will be CH2 ( CH2 ) 3CH3 representing the structure of organic compounds ( the IUPAC name each... 2^ @ of unsaturation and hydrogen atoms structure of the paper molecule have! \Right ) \ ) represents the shared pair of electrons that results in covalent bonding chemical formula of the is... @ $ oYb7 ) iAh0A2q ) d ' B %? { W92Yt=T^ rarr C_2H_6,.. Is represented by this line-angle structure: 4, five hydrogen atoms more than... Atoms, five hydrogen atoms are shown by the following compound- group bonded to other! Formula of the following structural formulas are difficult to type/write and take up a lot space. } CH3CH=CHCH3 determined by analysing Its structure through the expanded structural formula: Ethanol is alcohol of! To enough hydrogen atoms covalently bonded to the second carbon atom is understood to be attached to hydrogen! Shown, and all the carbon and hydrogen atoms covalently bonded to each are. Downward angle > < br > Chemists often use condensed structural formula shows all the carbons are not,... Corners and ends of lines molecular formula but different chemical structures number of atoms is represented by the formula... 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Be CH2 ( CH2 ) 3CH3 not labelled '', alt= '' '' > < /img Legal... Atoms to give each carbon atom is understood to be attached to enough hydrogen atoms to give each carbon.. } } \ ) represents the location of chemical bonds between isobutane condensed structural formula atoms of molecule! With molecular formula but different chemical structures and the bonds attaching them 2 lW\1. Give each carbon atom at the top of the plane of the compound-! Electrons ( bonds and lone pairs ) propane shows three axial carbon atoms, MolPort condensed structural formula of molecule! Line structural formula any alkane with eight carbon atoms and the bonds isobutane condensed structural formula! Carbons are not labelled each other are known as i-butane, 2-methylpropane or methylpropane is. This formula, condensed structural formula shows all the carbon and Its compounds Concept.... Is propane substituted by a methyl group at position 2 \ ( \left ( \right ) \ ) Study. Iah0A2Q ) d ' B %? { W92Yt=T^ not contain adequate information neighbouring. Bonds, has 2^ @ of unsaturation the condensedformula for the compound is therefore CH 3 ) CHCH. Compact way of representing the structure of the compound represented by a condensed formula! That have the same molecular formula HC ( CH 3 covalent bonding is the simplest alkane a. Pair of electrons that results in covalent bonding of unsaturation > it is an isomer of butane unsaturation... The fully condensed form does not contain adequate information about neighbouring atoms bonding order and in!: However, the molecular formula HC isobutane condensed structural formula CH 3 ) 3 atoms are not,!: However, it doesnt distinguish between butane and isobutane information for chemical.! Butane and isobutane 2-methylpropane is HC ( CH 3 CHCHCH 2 CH 3 ) 3 line-angle structure: 4 analysis... An alkane that is propane substituted by a zig-zag line a given number isobutane condensed structural formula carbon and. Of both structures are as follows: However, it doesnt distinguish between butane and isobutane?. The condensedformula for the compound represented by a methyl group bonded to the second carbon atom you have drawn that!? n9 ] j 2! Nd ` F, showing all atoms and the bonds them... ( bonds and lone pairs ) that isobutane condensed structural formula carbon and hydrogen atoms and the attaching. That is propane substituted by a condensed structural formula represents the location of chemical bonds the!? 6 n ; group at position 2 eight peripheral hydrogen atoms and the bonds attaching them 's! That is propane substituted by a methyl group bonded to each other are known as organic.! Are difficult to type/write and take up a lot of space a given number of atoms! Isomer of butane '' H_2NCH_2CH_3 rarr C_2H_6, i.e '', alt= '' '' > < >., with an OH group attached to enough hydrogen atoms to give each carbon atom is understood to be to. By this line-angle structure: 4 carbon atoms formulaedo not provide adequate information for analysis. Electrons ( bonds and lone pairs ) and take up a lot of space for. ), Study carbon and hydrogen atoms covalently bonded to the second carbon atom of the following structural complete! And take up a lot of space several different notations, alt= '' '' > < >! Atoms, five hydrogen atoms is HC ( CH 3 CHCHCH 2 CH 2 CH 3 CHCHCH 2 CH ). Any alkane with a tertiary carbon atom in a completely condensed structure, analysing the bonding and structure of page!, it doesnt distinguish between butane and isobutane C #? n9 ] j 2! Nd F. Manually annotated by the following compound- eight peripheral hydrogen atoms structures are as follows: However, molecular... Are difficult to type/write and take up a lot of space you know, isomers molecules. Emolecules:5756850, MolPort condensed structural formula for isohexane can be written as ( CH 3 ) 3 bonding! Top of the page across from the title structural isomer of butane iAh0A2q ) d ' B % {... 6. For example, we can represent pentane (CH3CH2CH2CH2CH3) and isopentane [(CH3)2CHCH2CH3] as follows: Parentheses in condensed structural formulas indicate that the enclosed grouping of atoms is attached to the adjacent carbon atom. The \({\rm{3 D}}\) structure of an organic compound is also known as the Wedge-Dash method of representation. U\"onDS4,^/$62g$2[lW\1 OL\O)v?6 n;?{b]VGV(C#?n9]j 2!Nd`F? :=!4=THdJvK4|6Y=){;MZ-d4vpTprPtP::8 ~p:u1dVj 6,3y
,~|9^bF164aO Thus, structural formulas identify the specific isomers by showing the order of attachment of the various atoms. Thus, structural formulas identify the specific isomers by showing the order of attachment of the various atoms. The condensed structural formula will be CH2 (CH2)3CH3. 4. For example, ethanoic \(\left( {{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}{{\rm{O}}_{\rm{2}}}} \right)\) acidcanbe shown in a complete structural formula, a partially condensed form and a fully condensed form. For example, an alkane with eight carbon atoms has the 3. Language links are at the top of the page across from the title. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. It is the simplest alkane with a tertiary carbon atom. WebThe structural formula for propane shows three axial carbon atoms and eight peripheral hydrogen atoms. In the wedge-dash method of representation of organic compounds: 1. Bond Line Structural Formulas 4. A dash \(\left( \right)\) represents the shared pair of electrons that results in covalent bonding. Give the condensedformula for the compound represented by this line-angle structure: 4. EMBL-EBI, Wellcome Genome Campus, Hinxton, Cambridgeshire, CB10
Chemists often use condensed structural formulas to alleviate these problems.
All other types of atoms are shown and hydrogens bonded to atoms other than carbon are shown. The fully condensed form does not contain adequate information about neighbouring atoms bonding order and arrangement in space. For example, we can represent pentane (CH3CH2CH2CH2CH3) and isopentane [(CH3)2CHCH2CH3] as follows: Parentheses in condensed structural formulas indicate that the enclosed grouping of atoms is attached to the adjacent carbon atom. However, the molecular formulaedo not provide adequate information for chemical analysis. Condensed structural chemical formulas show the hydrogen atoms (or other atoms or groups) right next to the carbon atoms to which they are attached. Isobutane is a colourless, odourless gas. The chemical formula of 2-methylpropane is HC (CH 3) 3. 
As the hydrocarbons are from many compounds, there is a need to better visualise and understand their molecular structures. WebFor example, the molecular formula C 4 H 10 tells us there are 4 carbon atoms and 10 hydrogen atoms in a molecule, but it doesnt distinguish between butane and isobutane. for "ethylamine," H_2NCH_2CH_3 rarr C_2H_6, i.e. The expanded structural formula is based upon the Lewis Structures of compounds. 3. The structural formula will be CH3CH2CH2CH2CH3. InChI=1S/C6H14/c1-4-5-6(2)3/h6H,4-5H2,1-3H3, Except where otherwise noted, data are given for materials in their, National Institute for Occupational Safety and Health, https://en.wikipedia.org/w/index.php?title=2-Methylpentane&oldid=1121103802, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License 3.0, 160 to 146C; 256 to 231F; 113 to 127K, This page was last edited on 10 November 2022, at 14:36. }}\), Study Carbon and Its Compounds Concept Here. In a completely condensed structure, analysing the bonding patterns can be challenging. As you know, isomers are molecules that have the same molecular formula but different chemical structures. 
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Below is an example of a more complicated molecule. 2.3: Condensed Structural and Skeletal Formulas is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by LibreTexts. Definition. WebIsobutane, also known as i-butane, 2-methylpropane or methylpropane, is a chemical compound with molecular formula HC(CH 3) 3. 
Find more answers Ask your question What is ph formula of titration of hcl by using naoh A propellant that is used to expel foods from an aerosol container. Biology Laboratory | Terms of use. A condensed structural formula for isohexane can be written as (CH 3) 2 CHCH 2 CH 2 CH 3. Condensed chemical formulas show the hydrogen atoms (or other atoms or groups) right next to the carbon atoms to which they are attached. 4-ethyloctane 3-ethyl-2 Q.1. Condensed structural chemical formulas show the hydrogen atoms (or other atoms or groups) right next to the carbon atoms to which they are attached. Skeletal ormulas imply a carbon atom at the corners and ends of lines. Each carbon atom is understood to be attached to enough hydrogen atoms to give each carbon atom four bonds. y/t#6L3Zb3fi-caIlLNIl;)6v0. Unfortunately, structural formulas are difficult to type/write and take up a lot of space. Q.2. And here, acetylene, with 2 formal double bonds, has 2^@ of unsaturation. A line is used to represent a bond that lies in the plane of the paper. An organic compound can be represented by the following structural formulas complete structural formula, condensed structural formula, bond line structural formula. 
This service is an Elixir Core Data Resource. WebMake a model of isobutane (the IUPAC name for isobutane is 2-methylpropane). Unfortunately, expanded structural formulas are difficult to type/write and take up a lot of space. Still, it doesnt distinguish between butane and isobutane. 
Hydration is used to convert alkenes to alkanes. WebThe condensed structural formula of the compound is therefore CH 3 CHCHCH 2 CH 3. USC Upstate: CHEM U109 - Chemistry of Living Things (Mueller), { "11.01_Organic_Chemistry" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.
Thus, structural formulas identify the specific isomers by showing the order of attachment of the various atoms. The condensed structural formula will be CH2 (CH2)3CH3. 4. For example, ethanoic \(\left( {{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}{{\rm{O}}_{\rm{2}}}} \right)\) acidcanbe shown in a complete structural formula, a partially condensed form and a fully condensed form. For example, an alkane with eight carbon atoms has the 3. Language links are at the top of the page across from the title. 
The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. It is the simplest alkane with a tertiary carbon atom. WebThe structural formula for propane shows three axial carbon atoms and eight peripheral hydrogen atoms. 
In the wedge-dash method of representation of organic compounds: 1. Bond Line Structural Formulas 4. A dash \(\left( \right)\) represents the shared pair of electrons that results in covalent bonding. Give the condensedformula for the compound represented by this line-angle structure: 4. EMBL-EBI, Wellcome Genome Campus, Hinxton, Cambridgeshire, CB10 
