Free Printable Valency Chart & Twenty Elements

1.

The electronic configuration of Neon is

a)

2,8

b)

2,7

c)

2,8,8

d)

2,6

2.

What's the chemical name of Natrium?

a)

Silicon

b)

Sodium

c)

Potassium

d)

Magnesium

3.

Valency of Aluminium

a)

3+

b)

3-

c)

2+

d)

2-

4.

$Cr_{2_{ }}O_7^{-2}$ Radical of

a)

Peroxide

b)

Permanganate

c)

Plumbite

d)

Dichromate

5.

The electronic configuration of Potassium is

a)

2,8,8,1

b)

2,8,7

c)

2,8,8

d)

2,8,1

6.

$PbO_2^{-2}$ Radical of

a)

Peroxide

b)

Permanganate

c)

Plumbite

d)

Dichromate

7.

Valency of Platinous

a)

$Pt^{+2}$

b)

$Pt^{-2}$

c)

$Pb^{-1}$

d)

$Pb^{-2}$

8.

Which elements has negative divalent elements

a)

Sulphur

b)

Cobalt

c)

Iodide

d)

Sulphate

9.

Which has variable valency

a)

Iron

b)

Zinc

c)

Oxide

d)

Hydrogen

10.

Ferric is also known as

a)

Iron (II)

b)

Zinc (III)

c)

Iron (III)

d)

Tin (II)

11.

$O_2^{-2}$ Radical of

a)

Peroxide

b)

Permanganate

c)

Plumbite

d)

Dichromate

12.

Bromide is a __________ elements

a)

Monovalent

b)

Divalent

c)

Trivalent

d)

Tetravalent

13.

Number of valency in Manganic

a)

4+

b)

3+

c)

4-

d)

2-

14.

Which element or radical is not divalent

a)

Sulphite

b)

Dichromate

c)

Nickel

d)

Nitride

15.

Which elements has positive divalent elements

a)

Sulphur

b)

Cobalt

c)

Iodide

d)

Sulphate

16.

Carbide is a __________ elements

a)

Monovalent

b)

Divalent

c)

Trivalent

d)

Tetravalent

17.

Which element or radical is positive Trivalent

a)

Sulphite

b)

Dichromate

c)

Nickel

d)

Chromium

18.

Atomic Number of Magnesium

(a)

19.

Valency of Silicate

(a)

20.

Atomic Number of Calcium

(a)

Valency Chart & Twenty Elements

Total questions: 20

Worksheet time: 19mins

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