LIE The element Erbium Er has five abundant isotopes 164 Er

Last updated: 5/9/2023

LIE The element Erbium Er has five abundant isotopes 164 Er 166Er 167 Er 168 Er and 170 Er The difference among these five isotopes is the A number of neutrons OB charge in each proton C number of atoms in one mole OD total charge OE charge on each electron