Teaching UP PGT Mock Test Series 2024 Chemistry Classification of Elements and Periodicity in Properties Periodic Table
Read the following statements carefully and select the correct option :
Assertion (A) :
Atomic radius decreases on moving from left to right along a period.
Reason (R) :
Increase in nuclear charge tends to pull the electrons closer.
1
Both A and R are true and R is correct explanation of A.
2
Both A and R are true but R is not the correct explanation of A.
3
A is true but R is false.
4
Both A and R are false.