MEDIUM
10th CBSE
IMPORTANT
Earn 100

Which is the most electronegative element of second period?

Important Questions on Periodic Classification of Elements

EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>EXERCISES (UNSOLVED)>Q 5
What is the number of periods in the modern periodic table?
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>EXERCISES (UNSOLVED)>Q 6
What happens to the number of valence electrons on going down a group?
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>EXERCISES (UNSOLVED)>Q 7
Which is the most metallic element in the third period?
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>EXERCISES (UNSOLVED)>Q 8
Which element among halogens F, Cl, Br, I is said to be least electronegative?
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>EXERCISES (UNSOLVED)>Q 9
Which is the smallest element of third period? (Sodium/ Argon)
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>EXERCISES (UNSOLVED)>Q 10
What are the elements present in the first period?
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>EXERCISES (UNSOLVED)>Q 1

Name the following:

An element of group 17 which is solid at room temperature.

EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>EXERCISES (UNSOLVED)>Q 2

Name the following:

The valency of elements in group 1.