| A | B |
|---|
| ion | a positively or negatively charged atom |
| ionic bond | a chemical bond formed when atoms lose or gain electrons |
| covalent bond | a chemical bond in which electrons are shared |
| nonpolar molecule | a molecule without charged ends |
| polar molecule | a molecule with one end positive and the other negative |
| toxic | substances that are poisonous to living things |
| corrosive | materials that eat away at metals and human tissue |
| oxidation number | tells how many electrons an atom will lose, gain, or share in bonding |
| chemically stable | atoms that have a full outer energy level; will not react |
| chemical bond | the force that holds atoms together in compounds |
| chemical formula | a statement using symbols and numbers to tell how atoms react to each other |
| hydrate | a molecule that has water trapped as part of its makeup |
| binary compound | a compound made of only 2 elements |
| polyatomic ion | a group of atoms that are bonded into one ion |
| elements with full outer ring, does not form compounds | noble gases |
| elements on the left side of the staircase line | metals |
| nonmetals | elements on the right side of the staircase line |
| what causes atoms to form bonds with other atoms? | trying to get full outer rings |
| the subatomic particle that is involved in bonding | electron |
| Elements with '+' oxidation numbers | metals |
