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Carbon compounds

Total questions: 10

Worksheet time: 3mins

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.

What different physical forms of carbon exist?

a)

Graphite

b)

Diamond

c)

Fullerene

d)

Amorphous

4.

What elements make up 97% of all living things?

a)

Oxygen, carbon, helium & nitrogen

b)

Oxygen, calcium, hydrogen & nitrogen

c)

Oxygen, carbon, hydrogen & nitrogen

d)

Iron, carbon, hydrogen & nitrogen

5.

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

6.

This is an example of a

a)

straight carbon chain

b)

branched carbon chain

c)

carbon ring structure

d)

twisted carbon chain

7.

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

a)

4

b)

2

c)

8

d)

6

8.

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

9.

Which is used as a cutting tool and in jewelry?

a)

graphite

b)

diamond

c)

fullerene

d)

amorphous carbon

10.

Compounds that are composed of the same number and type of atoms but have them arranged in different ways are ___________.

a)

isomers

b)

isotopes

c)

polymers

d)

alkanes