Periodic Table Vocabulary

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Across
  1. 3. Elements that have the same number of protons but different neutrons
  2. 4. Two or more atoms put together
  3. 8. Part of an atom with a positive charge
  4. 10. Element with the symbol K
  5. 13. An element that is man-made
  6. 14. In group 16 and it's atomic number is 8
  7. 15. Forms diamonds
  8. 17. What type of metal are the elements in group 1
  9. 18. An element with properties of metals and non-metals
Down
  1. 1. Smallest part of an element
  2. 2. Large cloud of gas in space containing helium, hydrogen, oxygen, and sulfur
  3. 4. When something can be bent or shaped
  4. 5. Part of an atom with a negative charge
  5. 6. Chemical formula for water
  6. 7. The amount of protons in the nucleus of an atom
  7. 9. Part of an atom with a zero charge
  8. 11. Large star explosion
  9. 12. Average number of protons and neutrons
  10. 16. Two or more metals in an element mixed together
  11. 19. Alkali metal that is above sodium