Answers

2015-04-19T11:18:07+05:30
Methane = CH4
Ethane = CH3-CH3
Propane = CH3-CH2-CH3
Butane = CH3-CH2-CH2-CH3
Pentane = CH3-CH2-CH2-CH2-CH3
Hexane = CH3-CH2-CH2-CH2-CH2-CH3
Heptane = CH3-CH2-CH2-CH2-CH2-CH2-CH3
Octane = CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH3
Nonane = CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH3
Decane = CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH3

Alkane end up with suffix "ane".Depending on the number of carbon atoms alkane are divided into Methane (1 carbon atom),Ethane(2 carbon atom) and so on.

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2015-04-19T16:57:37+05:30
CnH2n+2
where n - number of carbon atoms
C - carbon
H  - hydrogen
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