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Carbon Review

Total questions: 18

Worksheet time: 11mins

Name
Class
Date
1.

Organic compounds

a)

are made only of carbon

b)

contain carbon bonded to hydrogen and nothing else

c)

contain carbon bonded to hydrogen

d)

contain only oxygen

2.

Which property of carbon is important in the forming of many types of organic compounds

a)

carbon has 6 electrons

b)

carbon has 6 protons

c)

carbon has 4 valence electrons

d)

carbon can only bond with hydrogen

3.

Because carbon has 4 valence electrons

a)

it can form up to 4 covalent bonds

b)

it can form ionic bonds

c)

it can form only double bonds

d)

it can form covalent bonds with H only

4.

This is an example of a

a)

straight carbon chain

b)

branched carbon chain

c)

carbon ring structure

5.

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

a)

4

b)

2

c)

8

d)

6

6.

The carbons circled in red...

a)

are double bonded

b)

are sharing two pairs of electrons

c)

are sharing three pairs of electrons

d)

form a single covalent bond

7.

A carbon chain by itself is not able to dissolve in water. Which functional group can be added to make the carbon chain polar and hydrophilic?

a)

NH2

b)

Phosphate

c)

Carboxyl

d)

Hydroxyl

8.

Where do most of the carbon based compounds of earth come from?

a)

The stars

b)

Methane eating bacteria

c)

Any living organism

9.

How are carbon based molecules bonded?

a)

Ionic Bonds

b)

Covalent Bonds

c)

Hydrogen Bonds

10.

How many carbons does this molecule have?

a)

7

b)

10

c)

2

d)

18

11.
A compound is a substance which contains .......
a)
only one type of atom
b)
only two types of atom
c)
two or more chemicals which can be easily separated
d)
two or more elements chemically joined together
12.

6 Carbon atoms can form many different compounds.

a)

TRUE

b)

FALSE

13.

What connects two atoms together?

a)

H bond

b)

savings bond

c)

snap chat

d)

chemical bond

14.

Organic compounds

a)

are made only of carbon

b)

contain carbon bonded to hydrogen and nothing else

c)

contain carbon bonded to hydrogen

d)

contain only oxygen

15.

How many hydrogens are missing from this extended structural formula?

a)

6

b)

7

c)

8

d)

9

16.

How many single covalent bonds does benzene (C6H6) molecule have?

a)

3

b)

6

c)

9

d)

12

17.

According to the Octet Rule, Nitrogen (N) has ____ valence electrons and forms ___ bonds

a)

2, 6

b)

3, 5

c)

4, 4

d)

5, 3

18.
Is NaCl (table salt) a Organic or Inorganic Compound?
a)
Inorganic
b)
Organic