Question

Nuclides with same neutron number N but different atomic number Z are called ______.

Options

• Isoclines

• Isotopes

• Isobars

• Isotones

Answer 1

Nuclides with same neutron number N but different atomic number Z are called isotones.

Explanation:

If two nuclides have the same neutron number N but differing proton numbers Z, they are isotones. Isotones, for example, have the same number of neutrons as boron-12 and carbon-13 nuclei.