Physical Science Review

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Across
  1. 3. True or false- sodium is located in period 3.
  2. 4. Number of valence electrons of Lithium (Li)
  3. 6. Particle in an atom with a positive charge.
  4. 7. Number of valence electrons of Cesium (Cs)
  5. 9. Is sodium a metal or nonmetal?
  6. 10. Energy of motion
  7. 12. Verticle columns on the periodic chart.
  8. 13. The area of the atom with the most mass.
  9. 15. Type of electrons that are represented by the group number.
  10. 16. Atoms are never _____ in a chemical reaction.
  11. 20. The group that bromine is located in.
  12. 21. How we want equations- shows law of conservation of mass
Down
  1. 1. This element has 28 protons.
  2. 2. Stored energy
  3. 5. Element with 15 protons.
  4. 8. An element with characteristics similar to Argon.
  5. 11. Heat energy
  6. 14. The area around the nucleus with the electrons.
  7. 17. Particle in an atom with a negative charge.
  8. 18. The particle in an atom with no charge.
  9. 19. The number of valence electrons that sodium contains.