Question

The set of continuous atomic numbers of the
elements present in the same group as well as same
period
A
3, 11, 19
B
60, 61, 62
С
30, 31, 32
D
88, 89,90​

Answer 1

Explanation:

In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity

Answer 2

Explanation:

Answer :

C

Solution :

Er (68), Tm (69), Ub(70)and Lu (71) element are present in th same group as well as same period.