1st Six Weeks Make Up Assignment

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Across
  1. 2. This subatomic particle has a negative charge the least amount of mass
  2. 5. The ____ table is a table of natural elements
  3. 7. This element is in Period 5, Group 11
  4. 8. This subatomic particle has no mass and no charge
  5. 10. ___ have properties of metals and nonmetals.
  6. 11. Most the of the periodic table is up of ___
  7. 12. Valence electrons determine how ___ an element is
Down
  1. 1. Elements in the same ____ have similar chemical properties and the same number of valence electrons.
  2. 3. The center of an atom that holds protons and neutrons
  3. 4. This element is in Period 2, Group 1
  4. 5. _____ determine an element's identity.
  5. 6. Elements in the same ____ have the same number of energy level
  6. 9. Most ____ are liquids and gases. They are on the right side the periodic table.