Give the electronic configuration of magnesium.

Important Questions on Periodic Classification of Elements

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 10

Give the electronic configuration of aluminium.

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 10

Give the electronic configuration of lithium.

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 10

Give the electronic configuration of sodium.

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 11

Why modern periodic table is called Bohr's table?

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 12

What are groups and periods?

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 13

How many periods and groups are there in modern periodic table?

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 14

What are representative elements?

HARD

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 15

What are the names given to group $1,\mathrm{2,13,14,15},\mathrm{16,17}$ and $18$?