Isotopes are atoms of an element
A. with the same number of electrons but different numbers of protons.
B. that are radioactive.
C. with a magnetic charge.
D. with the same number of protons but different number of neutrons.

Question

Isotopes are atoms of an element
	A. with the same number of electrons but different numbers of protons. 	
	B. that are radioactive. 	
	C. with a magnetic charge. 	
	D. with the same number of protons but different number of neutrons.

callisto · Answer

D. with the same number of protons but different number of neutrons.
they have the same atomic number, but different mass number
and mass number = no. of Protons + no. of Neutrons