Isotopes of Atoms ____

Multiple Choice

Isotopes of atoms ____.

A) ​have the same number of neutrons but a different number of protons
B) ​behave the same chemically and physically but differ biologically from other isotopes
C) ​are the same physically and biologically but differ from other isotopes chemically
D) ​have the same number of protons but a different number of neutrons
E) ​are produced when atoms lose electrons