Chemistry Vocab

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Across
  1. 2. outer electrons
  2. 6. a bond between two nonmetals
  3. 8. the number in front of the formula
  4. 11. the columns on the periodic table
  5. 14. the number of protons in an element
  6. 15. formed when two or more atoms of an element join together
Down
  1. 1. the number after a symbol; the number of atoms of each element
  2. 3. the total number of protons and electrons in an element
  3. 4. a subatomic particle with a neutral charge
  4. 5. a subatomic particle with a negative charge
  5. 7. a subatomic particle with a positive charge
  6. 9. type of molecule where atoms of two or more elements combine (ex:C02)
  7. 10. an abbreviation of the element name
  8. 12. a bond between a metal and nonmetal
  9. 13. the rows on the periodic table