Chem, Chapter 7
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Created by:
Brooksj1263 on December 4, 2007
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Vocabulary review for chapter 7, chemical formulas
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26 terms
Terms | Definitions |
|---|---|
 polyatomic ion | An ion made of more than one atom. |
| formula unit | A compound's formula represents a definite amount of that compound called a ___. |
| molecule | A ___ is a neutral particle formed when neutral atoms combine. |
| chemical symbol | A ___ is a shorthand representation of an element. |
| ion | An atom that has become electrically charged. |
| empirical formula | The simplest whole-number ratio of atoms or ions in a compound is indicated by a(n) ___. |
| binary compound | A ___ is any compound containing only two elements. |
| ionic compound | A compound composed of charged particles is called a(n) ___ |
| chemical formula | A(n) ___ is a combination of symbols representing the composition of a compound. |
| molecular formula | A formula for a compound that exists as a molecule is called a(n) ___. |
| oxidation number | The charge on a monatomic ion is known as its ___. |
| anion | a negatively charged ion |
| cation | a positively charged ion |
| Monatomic ion | an ion made out of one type of element only |
| polyatomic ion | an ion made out of more than 1 type of element. It is a molecule has has become charged. |
| oxide, O2- | The name and symbol of the oxygen ion |
| Al2O3 | The proper formula if you try to combine aluminum and oxide |
| sodium oxide | proper name for Na2O |
| Iron (II) Sulfide | proper name for FeS (since Fe has more than 1 oxidation number) |
| Uranium Hexafluoride | name of UF6 (using the prefix method for binary molecules) |
| Hydrochloric acid | Name of this acid - HCl. (acids get a different set of naming rules |
| Nitric Acid | Name of this acid - HNO3. (acids get a different set of naming rules |
| Sulfuric Acid | Name of this acid - H2SO4. (acids get a different set of naming rules |
| Heptane | Name this organic compound - C7H16 (remember organics gets its own set of naming rules) |
| 6 | How many formula units are shown in the following - 6H2SO4 |
| C4H9 | What is the empirical formula that goes with the following molecular formula - C8H18 |
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