Question

Whenever a radioactive element undergoes disintegration by emitting 2 α- particles and 3 β- particles. Now its position is-

a. In the same group as the original element

b. In the group preceding the position of the original element.

c. In the group succeeding the position of the original element.

d. Four place ahead of the position of the original element.

• A. In the same group as the original element
• B. In the group preceding the position of the original element
• C. In the group succeeding the position of the original element.
• D. Four place ahead of the position of the original element.

Answer 1

The correct option is B

In the group preceding the position of the original element

(B)