If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?

• 20
• 22
• 40
• 42

What is the general formula for saturated hydrocarbons?

• C_nH_2n
• C_nH_n+1
• C_nH_2n+1
• C_nH_2n+2

What is a hydrocarbon that contains only single bonds called? 

• organic  
• saturated
• unsaturated
• fully bonded

Tags

NGSS.HS-LS1-6

Saturated hydrocarbons contain single bonds and double bonds

• True
• False

Unsaturated hydrocarbons contain at least one double or triple bond.

• True
• False

What is another name for carbon compounds?

• carbohydrates

• fullerenes

• hydrocarbons

• organic compounds

Which is NOT typically a property of organic compounds?

• low melting points

• ability to conduct electricity

• insoluble in water

• low boiling points

Tags

NGSS.HS-LS1-6

What can you tell about methane (CH₄) from its molecular formula?

• It contains four carbon atoms.

• It contains one hydrogen atom.

• It contains four hydrogen atoms.

• It forms groups of four molecules.

Tags

NGSS.MS-PS1-1

How many chemical bonds can each carbon atom form?

• 1

• 2

• 3

• 4

Which is an unsaturated hydrocarbon?

• C₂H₆
• C₃H₈
• C₄H₈