What is the quantum number set of the ground-state electron that is found in lithium (LI) but not in helium (He)? O (1, 0, 0, +12)
O (1,0, 1, +V2)
O (2, 0, 0, +V2)
O (2,0, 1, +12)

Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

Fred is studying a substance that is made out of only one element. this means that