Stem Chemistry Review Part 1

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Across
  1. 4. Li for Lithium
  2. 5. Has a positive charge
  3. 7. Atoms tend to gain, lose, or share electrons in order to have eight electrons in their outer shell
  4. 11. What is shared in a covalent bond
  5. 12. Group 3 and Group 12
  6. 14. The number in the upper left hand corner
  7. 15. Prefix for 5
  8. 18. All boxes on the Periodic Table are this
  9. 19. K
  10. 20. These are elements that move vertical on the Period table
  11. 21. a charged element
Down
  1. 1. A bond between a metal and a non-metal
  2. 2. All have 2 valence electrons
  3. 3. where the electons orbit the nucleus of an atom.
  4. 6. Prefix for 7
  5. 8. The subatomic particle NOT found in the nucleus
  6. 9. has a negative charge
  7. 10. The subatomic particle with no charge
  8. 13. The group that have 4 valence electrons
  9. 14. Protons + Neutrons
  10. 16. A bond between 2 non-metals
  11. 17. These are the elements that move horizontal