Question

A Nucleus 11 Na 24 is radioactive
i) what is the number 24 and 11 called ?
ii) write the equation representing beta decay ?
iii) what general name is given to the product nucleus with respect to 11 Na 24 ?​

Answer 1

Answer:

Answer

(i)

11

24

Na →

12

24

Mg+

−1

0

e

(ii) 11 is the atomic number, 24 is the mass number.

(iii)

12

24

Mg and

11

24

Na are isobars, as they have the same mass number.

Isobars are the atoms of different elements which have the same mass number, but differ in their atomic number.