why would a guy date me for 2 month then when i break up with him because i dont think he likes me anymore he gets with my best friends not even two weeks later

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.

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

What happens to the temperature of a substance when the average kinetic energy of its particles increases?