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Across
  1. 3. The central part of an atom is called ______
  2. 5. The number of valence electrons for boron
  3. 7. The overall charge on an atom, hint think about PEA
  4. 11. I have 6 protons in my nucleus
  5. 12. The number of valence electrons for chlorine
  6. 13. Is he a pea, is he a man? No he is ________
  7. 16. This is the name of rows of the periodic table
  8. 17. The A in PEAMAN stands for atomic number
  9. 19. the term for the outer most electrons of an atom
  10. 20. The number of valence electrons for phosphorus
Down
  1. 1. The charge on a neutron
  2. 2. I have 16 neutrons, who am I?
  3. 4. I am found in the 4th period and 2nd group
  4. 6. These particles orbit the nucleus
  5. 8. Except in the case of hydrogen, the mass number is always _________ than the atomic number
  6. 9. What does the M in PEAMAN stand for
  7. 10. The relative mass of a proton or neutron
  8. 14. This is the name for the columns of the Periodic Table
  9. 15. The positively charged particle in an atom
  10. 18. Considered the father of the Periodic Table