Question

a
21
Isotopse of an element has the same number of​

Answer 1

Explanation:

Isotopes are atoms of the same element that have different numbers of neutrons but the same number of protons and electrons .The difference in the number of neutrons between the various isotopes of an element means that the various isotopes have different masses

Answer 2

Isotopes :

▪ Atoms of the same element having same atomic number but different mass number are called as Isotopes.

▪ In Isotopes protons & electrons numbers is same but they difrer in number of neutrons.

Isotopes of an element has the same number of protons and electrons ( atomic number ).