True or false: when gases and liquids are used to do work, it is called fluid power.

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.

What shape would a molecule with two bound groups and two lone pairs have?

The number at the end of an isotope’s name is the number.