| A | B |
|---|
| cations | an ion with poistive charges. metals |
| anions | an ion with a negative charge. nonmetals |
| silicate | class of minerals whose anions are composed of long chains of alternating silicon and oxy. atoms with periodoc neg. charges |
| mineral | naturally occuring inorganic substance that has a definate compostion and ordered structure |
| hydrate | a ionic compound that contains precise numbers of water molecules in its crystal lattice |
| salt | and ionic compund that is composed of cations bonded to anions, other than oxide or hydroxide |
| crystal lattice | a repetative geometric arragement of points in a space about which atoms, ions, or molecules are arranged to form a crystal structure |
| unit cell | simplest repeating unit of a crystal lattice |
| octet rule | the tendency of atoms to match a noble gas configuration |
| Group 1 | +1 charge |
| Group 2 | +2 charge |
| group 16 | -2 charge |
| group 17 | - 1 charge |
| changing electrons change... | the chemical propertis |
| binary compounds | ionic compound that consists of one element from cations and another from anions. |
| subscript | shos number of atoms in formula |
| y cesuim can hold more chloride than sodium(Na) | Cesium is larger than Sodium |
| crystal dissolves | bye layers by weakest link |
| Ionic compounds in room temperature | are solids |
| compare melt and boil point of sodium chloride and water | sodium(1413) has a higher boiling point to water (100) |
