MEDIUM
10th CBSE
IMPORTANT
Earn 100

What is the zig-zag line running diagonally across the periodic table?

Important Questions on Periodic Classification of Elements

MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 20
Name a few elements which are metalloids.
HARD
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 21
How and what is the maximum number of electrons that can be accommodated in a shell? Illustrate with an example for each shell.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 22
Which period is incomplete? (Third/ Fifth/ Seventh)
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 23
How many electrons can be accommodated in the 5th period? 2/ 8/ 18
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 24
Name the two series placed at the bottom of the periodic table.
HARD
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 25
What are the advantages of modern periodic table?
HARD
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 3>Q 26
What are the demerits of modern periodic table?
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>PAPER - PEN TEST : 4>Q 1

Consider two elements A and B belonging to group 1 and 2 respectively in the same period of the periodic table. Compare these two elements with respect to their atomic size.