Science Terms

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Author:
Anonymous
ID:
82694
Filename:
Science Terms
Updated:
2011-04-29 15:15:04
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vocabulary physical science
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Description:
defining all our chapter 4 termsp
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  1. Chemical bonds
    the attractive force that holds atoms or ions together
  2. Chemical Structure
    the arrangement of bonded atoms or ions within a substance
  3. Bond Length
    the average distance between the nuclei of two bonded atoms
  4. Bond Angle
    the angle formed by two bonds to the same atom
  5. Ionic Bond
    a bond formed by the attraction between oppositely charged ions
  6. Metallic Bond
    a bond formed by the attraction between positively charged metal ions and the electrons around them
  7. Covalent Bond
    a bond formed when atoms share one or more pairs of electrons
  8. Polyatomic Ion
    an ion made or two or more atoms that are covalently bonded and that act like a single ion
  9. Empirical Formula
    the simplest chemical formula of a compound that tells the smallest whole-number ratio of atoms in the compound
  10. Molecular Formula
    a chemical formula that reports the actual numbers or atoms in one molecule of a compound
  11. Organic Compound
    any covalently bonded compound that contains carbon
  12. Polymer
    a large organic molecule made of many smaller bonded units
  13. Biochemical Compound
    any organic compound that has an important role in living things
  14. Carbohydrate
    any organic compound that is made of carbon, hydrogen, and oxygen and that provides nutrition to the cells of living things
  15. Protein
    a biological polymer made of bonded amino acids
  16. Amino Acid
    any one of 20 different naturally occurring organic molecules that combine to form protein

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