STAAR REVIEW MENU OPTION

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Across
  1. 1. the outer most electrons
  2. 5. center of an atom that contains protons and neutrons
  3. 7. number of protons plus neutrons in an element
  4. 8. Positive part of the nucleus
  5. 9. the basic building block of all matter
Down
  1. 2. A negative charge atom that is located in the electron cloud
  2. 3. The part of the nucleus that has no charge
  3. 4. small abbreviations of an element
  4. 6. the area around the nucleus that contains electrons
  5. 7. number of protons and electrons in an element