periodic table

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Across
  1. 2. have a positive charge.
  2. 4. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  3. 6. shiny, conduct electricity, and bendable.
  4. 7. gas, no conduct electricity, and brittle.
  5. 8. all have the same energy cloud
  6. 10. have no charge
  7. 12. a temporary name that is based on the atomic number
  8. 13. all have the same reactivity and valence electron
Down
  1. 1. a code to identify an specific element in the Periodic Table of Elements.
  2. 3. defines a chemical element
  3. 5. has a dim conduct of electricity.
  4. 9. have a negative charge.
  5. 11. negative charge surrounding an atomic nucleus that is associated with an atomic orbital.