Nucleus
 

Nucleus problem 21


The atoms of an element can exist as different isotopes. What is the difference between atoms of different isotopes of the same element?


  • They have different numbers of electrons.

  • They have different numbers of protons and different numbers of neutrons.

  • They have different numbers of protons only.

  • They have different numbers of neutrons only.


 

main author and content editor: Jamiu Amusa