Which is a characteristic of all ions? O They are made of one type of atom.
O They have one overall charge.
O They are made of two or more types of atoms
OThey have two or more overall charges

What diagram shows the ionic compound of magnesium oxide

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?