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Physical Science
Chapter 4 (The Structure of Matter)
Word | Definition |
---|---|
Polyatomic Ion | an ion made of two or more atoms that are covalently bonded and that act like a single ion |
Molecular Formula | a chemical formula that reports the actual numbers of atoms in one molecule of a compound |
Bond Length | the average distance between the nuclei of two bonded atoms |
Empirical Formula | the simplest chemical formula of a compound that tells the smallest whole-number ratio of agoms in the compound |
Bond Angle | the angle formed by two bonds to the same atom |
Chemical Structure | the arrangement of bonded atoms or ions within a substance |
Chemical Bond | the attractive force that holds atoms or ions together |
Ionic Bond | a bond formed by the attraction between opposietly charged ions |
Metallic Bond | a bond formed by the attraction between positively charged metal ions and the electrons around them |
Covalent Bond | a bond formed when atoms share one or more pairs of electrons |
Protein | a biological polymer made of bonded amino acids |
Amino Acid | any one of 20 different naturally occuring organic molecules that combine to form proteins |
Carbohydrate | any organic compound that is made of carbon, hydrogen, and oxygen and that provides nutrients to the cells of living things |
Biochemical Compound | any organic compound that has an important role in living things |
Polymer | a large organic molecule made of many smaller bonded units |
Organic Compound | any covalently bonded compound that contains carbon |