Chemisty MI crossword puzzle

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Across
  1. 3. Inside the nucleus of atoms, no charge
  2. 5. Outside the nucleus of atoms, negative charge
  3. 7. Contains characteristics of both metals and nonmetals
  4. 9. They make up everything
  5. 10. number of protons and neutrons in an element
Down
  1. 1. The only element on the left side of the periodic table that is a nonmetal
  2. 2. The name of the element family all the elements want to look like
  3. 4. Inside the nucleus of atoms, positive charge
  4. 6. The name of the first family in the periodic table
  5. 8. Number of protons in an element