Question

what do mean by isotopes​

Answer 1

Answer:

isotopes are same number of protons but have different number of neutrons.

Answer 2

Isotopes:

Isotopes of a given element have same atomic no. (proton no.) and different mass no. (neutron no. and consequently nucleon no.)

Ex. Isotopes of hydrogen are

• Protium (Z=1;A=1)
• Deuterium(Z=1;A=2)
• Tritium(Z=1;A=3)