Question

Which are different forms of an element that have different numbers of neutrons? ions isotopes compounds molecules

Answer 1

Isotopes

Step-by-step explanation:

Isotopes are different forms of an element that have different mass numbers due to different number of neutrons but have the same atomic number(protons and electrons)

Answer 2

Isotopes

Step-by-step explanation:

Isotopes are forms of an element having different no. of neutrons and same no. of protons and electrons.