atomic structure & the periodic table

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Across
  1. 1. the number of electrons that can fit in shells past the first shell
  2. 5. group one in the periodic table
  3. 6. group 0 or 8 in the periodic table
  4. 7. inventor of the first version of the modern periodic table
  5. 8. found in the nucleus
Down
  1. 1. the particles surrounding the nucleus in shells
  2. 2. the number of electrons that can fit in the first shell of an atom
  3. 3. the mass number of oxygen
  4. 4. this tells you the number of protons in the atom
  5. 8. the periodic table is arranged horizontally in ...