What is the main element in a carbon compound?

• Carbon

• Carbon, Hydrogen, Oxygen

• Carbon, Hydrogen

Carbon makes really strong covalent bonds with itself & other elements because:

• It has 6 protons

• It has a larger mass than any other element

• It has 4 valence electrons

This organic compound is our main source of energy: 

• Nucleic Acids
• Carbohydrates
• Proteins
• Lipids 

How many covalent bonds does each carbon have in the molecule shown?

• 4

• 2

• 8

• 6

How many carbon atoms are in methane?

• 1
• 2
• 3
• 4

How many carbon atoms are in propane

• 1
• 2
• 3
• 4

How many hydrogen atoms are in butane

• 4
• 6
• 8
• 10

What is the general formula of an alkane

• 2n+2
• CnH2n+2
• CnH2n
• CnHn

Hydrocarbons are compounds that contain

• Carbon, only
• Carbon and Hydrogen, only
• Carbon, Oxygen, and Hydrogen, only
• Carbon, Oxygen, Hydrogen, and Nitrogen, only

Butane

• Alkane
• Alkene
• Alkyne