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Worksheets

Alkaline earth metals

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Where are valence electrons found?

a)

In the first energy level of the electron cloud

b)

In the nucleus

c)

In the outermost energy level in the electron cloud

2.

Alkali metals react with water to form:

a)

Water and metal hydroxide

b)

Water and metal oxide

c)

Metal hydroxide and oxygen

d)

Metal oxide

3.

Which of the following oxides, the most basic is:

a)

MgO.

b)

Na2O.

c)

P2O3.

d)

BeO.

4.

Which compound is used to treat the symptoms of indigestion?

a)

MgO

b)

Mg(OH)2

c)

CaO

d)

Ca(OH)2

5.

Which of these decreases down Group 2?

a)

First ionisation energy

b)

Atomic radius

c)

Number of protons

d)

Reactivity with water

6.

Which one of the following is the electron arrangement of the strongest reducing agent?

a)

1s2 2s2 2p5

b)

1s2 2s2 2p6 3s2

c)

1s2 2s2 2p6 3s2 3p5

d)

1s2 2s2 2p6 3s2 3p6 4s2

7.

What happens to the reactivity of the alkaline earth metals as you move down their group?

a)

Increases

b)

decreases

c)

stays the same

8.

What happens to the boiling and melting points of the alkaline earth metals as you move down the group?

a)

Increase

b)

decrease

c)

remains the same

9.

The correct increasing order of densities of alkali metals is

a)

Li < Na < K < Rb < Cs

b)

Cs < Rb < K < Na < Li

c)

Li < K < Na < Rb < Cs

d)

K < Na < Li < Rb < Cs

10.

Which one of the following alkali metals is the most metallic?

a)

Li

b)

Na

c)

K

d)

Cs

11.

Which one of the following ions has the largest size in aqueous solution?

a)

Li+

b)

Na+

c)

K+

d)

Rb+

12.

Which of the following hydride is the most stable?

a)

LiH

b)

KH

c)

NaH

d)

CsH

13.

Lime water is an aqueous solution of

a)

MgSO4

b)

Ca(OH)2

c)

CaCO3

d)

CaSO4

14.

Which one of the following chlorides has maximum tendency to form hydrate?

a)

BaCl2

b)

NaCl

c)

MgCl2

d)

LiCl

15.

Which one of the following compounds is the most soluble in water?

a)

Mg(OH)2

b)

Sr(OH)2

c)

Ba(OH)2

d)

Ca(OH)2