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Sport injuries

Total questions: 5

Worksheet time: 50secs

Name
Class
Date
1.

What is the 21st element

a)

Gallium

b)

Hydrogen

c)

Scandium

d)

Lithium

2.

What type of bond exists in sodium chloride

a)

Covalent

b)

Van der Waals

c)

Electrovalent

d)

Dative

3.

What is the only metal that is liquid

a)

Calcium

b)

Sodium

c)

Mercury

d)

Iron

4.

Which is not involved in the discovery of electrons

a)

J.J Thompson

b)

Neil Bohr

c)

Albert Eistien

d)

Rutherford

5.

Which is not a gas law

a)

Charles

b)

Boyles

c)

Dalton

d)

Avogadro