| A | B |
|---|
| Ionic Bonds | Atoms that take or give electrons when a molecule is formed. (21) |
| Most matter in the Universe | Is composed of compounds. (22) |
| Compounds are: | Specific combinations of Elements. (23) |
| Compounds have: | the same properties. (23) |
| Compounds react: | In predictable ways. (23) |
| A Stable Atom | Has Equal number of protons and electrons. (24) |
| Ion | Charged Atom with unequal numbers of protons and electrons. (25) |
| Isotopes are: | Atoms of same elements with different numbers of Neutrons. (26) |
| Radioactive decay | When Isotopes decay. (27) |
| Two most Common Elements. | 47% Oxygen and 28% Silicon. (28) |
| Minerals are combinations of: | Elements. (29) |
| Rocks | Combination of minerals. (29) |
| A Mineral is: | Solid, inorganic, naturally occuring. (30) |
| A Mineral has: | Specific chemical and physical properties. (30) |
