Atomic Structure

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Across
  1. 4. A NOBLE GAS WHICH DOESN'T HAVE 8 ELECTRONS IN ITS OUTER SHELL
  2. 6. A SUBATOMIC PARTICLE WITH NO MASS AND A NEGATIVE CHARGE
  3. 7. A COLUMN IN THE PERIODIC TABLE OF ELEMENTS WITH SIMILAR REACTIVITY
  4. 10. A NEGATIVE ION
  5. 12. A CHARGED PARTICLE FORMED WHEN AN ATOM GAINS OR LOSES ELECTRON(S)
  6. 13. HOW ELECTRONS ARE ARRANGED IN SHELLS (8,13)
  7. 14. THIS MINUS ATOMIC NUMBER GIVES YOU THE NUMBER OF NEUTRONS(6,4)
  8. 15. THIS IS RELATED TO THE NUMBER OF ELECTRONS AN ELEMENT USES IN BONDING
Down
  1. 1. BROMINE 79 AND BROMINE 81 ARE EXAMPLES OF THESE
  2. 2. THE PART OF AN ATOM WHICH HAS MASS
  3. 3. A ROW IN THE PERIODIC TABLE
  4. 5. THE PERIODIC TABLE IS ORDERED ACCORDING TO THIS (6,6)
  5. 8. A SUBATOMIC PARTICLE WHICH MAKES THE NUCLEUS POSITIVE
  6. 9. WHERE ELECTRONS ARE FOUND
  7. 11. HAS MASS BUT NO CHARGE
  8. 16. A POSITIVE ION