Atoms Crossword Puzzle

12345678910
Across
  1. 4. - Table of elements
  2. 6. - Smallest unit of matter
  3. 9. - Negatively charged particle
  4. 10. - Positively charged particle
Down
  1. 1. - Letters on the periodic table
  2. 2. - Center of the atom
  3. 3. - particles are called this that all make up the atom
  4. 5. - Neutral atoms
  5. 7. - RINGS AROUND THE NUCLEUS
  6. 8. - A positive charged atom