Name____________________________
Date_____________Section_________
Hydrocarbon Worksheet #1
1. All organic molecules must contain which element?
2. What is the total number of valence electrons in a carbon atom in the ground state?
3. A hydrocarbon molecule containing one triple covalent bond is classified as a(n)….
4. What is the total number of hydrogen atoms in a molecule of butane?
5. Which compound belongs to the alkene series?
A) C2H2
B)C2H4
C) C6H6
D)C6H14
6. In which group could the hydrocarbons all belong to the same homologous series (i.e. alkene,
alkyne, alkane)?
A) C2H2, C2H4, C2H6
B) C2H4, C3H4, C4H8
C) C2H4, C2H6, C3H6
D) C2H4, C3H6, C4H8
7. Which formula represents butane?
A) CH3CH3
B) CH3CH2CH3
C) CH3CH2CH2CH3
D) CH3CH2CH2CH2CH3
Name _________________________
Date __________Section__________
8. Give the molecular formula for pentane.
9. Give the molecular formula for butene.
10. Give the molecular formula for pentyne.
11. Give the molecular formula for methane.
12. Give the molecular formula AND name of a hydrocarbon that contains a triple bond and
seven carbon atoms.
13. Draw the Lewis Structure for heptene.