Chemistry

Which of the following ions is a polyatomic ion?
(Points : 1)
F

Ca2+

NH4+

Cl


Answers

ElizbethLiddle208

2 years ago Comment

Among the choices, the polyatomic ion is only the third choice, NH4+ where it is composed of nitrogen one atom of nitrogen and 4 atoms of hydrogen. Choice 2 is a monoatomic atom being composed only of calcium. Then, the first and fourth choices are not ions because they are not charged.