Multiple ChoiceWhich term describes atoms of the same element that have different numbers of neutrons?
Multiple ChoiceHow many neutrons are in an atom of magnesium-25 (Mg25)? (Assume magnesium has atomic number 12.)2views
Multiple ChoiceCopper has two naturally occurring stable isotopes, C29u63 and C29u65. Which statement correctly compares these two isotopes?1views