Question

What is isotones define with exanple?

Answer 1

Answer:

$\mathscr{\large{\pink{ISOTONES}}}$

species which has same number of neutrons

Example :-

boron & carbon

Answer 2

Answer:

Two nuclides are isotones if they have the same neutron number N ,but different proton number Z.

Example:

Boron-12 and carbon -13 nuclei both contain 7 neutrons, and so are isotones.......

In contrast,the proton number for which there are no stable isotopes are 43,61,and 83 or more......

Hope it's helps