EASY
9th CBSE
IMPORTANT
Earn 100

State the chemical symbols for the following elements: 

Sodium, Potassium, Iron, Copper, Mercury, Silver

Important Questions on Atoms and Molecules

EASY
9th CBSE
IMPORTANT

Name the elements represented by the following symbols:

Hg, Pb, Au, Ag, Sn

EASY
9th CBSE
IMPORTANT
What is meant by atomicity? Explain with two examples.
EASY
9th CBSE
IMPORTANT

What is the atomicity of the following?

Oxygen 

EASY
9th CBSE
IMPORTANT

What is the atomicity of the following?

Ozone

EASY
9th CBSE
IMPORTANT

What is the atomicity of the following?

Neon

EASY
9th CBSE
IMPORTANT

What is the atomicity of the following?

Sulphur

EASY
9th CBSE
IMPORTANT

What is the atomicity of the following?

Phosphorus

EASY
9th CBSE
IMPORTANT

What is the atomicity of the following?

Sodium