The Periodic Table of Elements

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Across
  1. 5. Metalloid, 6 neutrons
  2. 8. 47 protons
  3. 9. 8 protons, period 2
  4. 10. Nonmetal, noble gas
  5. 12. Period 4, group 9
  6. 13. 35 neutrons, group 10
  7. 14. Atomic mass 23
  8. 15. Atomic number 57
Down
  1. 1. Nonmetal, 1 proton
  2. 2. Nonmetal, halogen, period 3
  3. 3. 70 electrons
  4. 4. 58 neutrons
  5. 6. Metal, transition metal
  6. 7. Metal, group 1, 19 electrons
  7. 11. Transition metal,28 electrons