Atoms, Molecules and Atomicity

Calculate the atomicity of tetraoxosulphate (VI) acid

• 7

• 6

• 8

• 9

Which of the following elements is diatomic?

• Chlorine
• Sodium
• Sulphur
• Aluminium

Oxygen is an example of an element that is

• monoatomic
• diatomic
• triatomic
• polyatomic

The pair of elements that are diatomic are :::

• Oxygen and Neon
• Hydrogen and Helium
• Fluorine and Hydrogen
• Helium and Neon

(I) Hydrogen

(II) Sodium

(III) Magnesium

(IV) Chlorine

(V) Nitrogen.

The elements that are monoatomic are

• II & III only

• I, IV and V only

• I, III & IV only

• II & V only

(I) Hydrogen (II) Sodium (III) Magnesium (IV) Chlorine (V) Nitrogen. The elements that are diatomic are :::

• II & III only
• I, IV and V only
• I, III & IV only
• II & V only

What is the atomicity of ozone?

• 1
• 2
• 3
• 4

Calculate the atomicity of sodiumtrioxocarbonate (IV)

• 9
• 6
• 5
• 7

The atoimicity of oxygen in AluminiumOxide is

• 1

• 2

• 5

• 6

Calculate the atomicity of tetraoxosulphate(VI)acid

• 7
• 6
• 8
• 9