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ps vocab chapter 4
physical science vocab for chapter 4
| Question | Answer |
|---|---|
| an ion made of two or more atoms that are covalently bonded and that act like a simple bond | polyatomic bond |
| a bond formed when atoms share one or more pairs of electrons | covalent bond |
| a bond formed by the attraction between positivley charged metal ions and the electrons around them | metallic bond |
| the arrangment of bonded atoms or ions within a substance | chemical structure |
| the attractive force that holds atoms or ions together | chemical bond |
| any organic compound that is made of carbon,hydrogen,and oxygen and that provides nutrients to the cells of living things | carbohydrate |
| any covalently bonded compound that contains carbon | organic compound |
| a chemical formula that reports the actual numbers of atoms in one molecule of a compound | molecular formula |
| a bond formed by the attraction between the oppositly charged ions | ionic bond |
| the average distance between the nuclei of two bonded atoms | bond length |
| the angle formed by two bonds to the same atom | bond angle |
| any organic compound that has an important role in living things | biochemical compound |
| a biochemical polymer made of bonded amino acid | protein |
| any one of the twenty different naturally occuring organic molecules that combine to form proteins | amino acid |
| large organic molecule made of many smallerbonded units | polymers |
| the simplest chemical formula of a compound that tells the smallest whole-number ratio of atoms in the compound | empirical formula |