Atoms and elements

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Across
  1. 3. table Created by Mendeleev
  2. 6. Full outer shell
  3. 8. Gaining electron
  4. 9. Varieties of atoms are called
  5. 11. Elements are made of atoms with a unique number of
  6. 13. Example of elements
  7. 14. Horizontal rows
  8. 16. gas Most nonreactive (full shells) and known as Inert
  9. 17. Elements bound together in various ways to form
  10. 18. and chemical properties All elements have their own unique
Down
  1. 1. Vertical columns
  2. 2. electrons Determine chemical properties
  3. 4. Determine physical and chemical properties
  4. 5. Losing electron
  5. 7. Electrons orbit the atomic nucleus in areas called
  6. 10. or losing an electron Results in an electrical charge
  7. 12. neutrons, electrons Atoms are made of 3 basic particles
  8. 15. stable Not full outer shell
  9. 19. All matter is made of