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Stegall-Chemistry#10
Names & Formulas
| Question | Answer |
|---|---|
| Compounds made of metal + nonmetal. | Ionic compounds. |
| Compounds made of two or more nonmetals. | Molecular compounds |
| Compounds in which the elements are held together by the strong attraction between positive & negative electrical charges | Ionic compounds. |
| Compounds where the elements are held together by sharing pairs of electrons. | Molecular compounds. |
| Compounds that are usually crystalline solids. | Ionic compounds. |
| Compounds that can be in any state under normal conditions. | Molecular compounds. |
| Compounds that usually have good conductivity. | Ionic compounds. |
| Compounds that usually have low melting and boiling points. | Molecular compounds. |
| Positive electrical charge. | Cation |
| Negative electrical charge. | Anion |
| Atom with an unever or unbalanced number of protons & electrons. | Ion. |
| What naming system shows the charge of a metal in parenthesis following its name. i.e. Copper(I) | Stock Naming System. |
| What is the ending on the second element named in a Binary Compound? | "ide" |
| 2 or more elements combine, yet still having an electric charge? | Polyatomic Ion. |
| What is a Ternary Ionic Compound? | 1 positive ion combined with a polyatomic ion. |
| Number prefixes are used in naming what type of compound? | Binary molecular compounds. |
| What is the electrical charge for the Hydroxide polyatomic ion? | negative one (-1) |
| What is the electrical charge for the Nitrate polyatomic ion? | negative one (-1) |
| What is the electrical charge for the Ammonium polyatomic ion? | positive one (+1) |
| What is the charge for the Sulfate polyatomic ion? | negative two (-2) |
| In the names of most compounds, how is the first element named? | Regular name from the Periodic Table. |
| Prefix "mono" | 1 |
| Prefix "tri" | 3 |
| Prefix "penta" | 5 |
| Prefix "hepta" | 7 |
| Prefix "nona" | 9 |