Periodic Table and Atom Worksheet

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Across
  1. 2. The Neutral Charge of an Atom
  2. 4. The Negative Charge of an Atom
  3. 5. An atom that either gains or loses electrons
  4. 10. Elements that move up and down on the Periodic table
  5. 13. Something that has the same kind of atoms
  6. 14. Atoms of the same element that have different numbers of neutrons
  7. 15. A Line that moves left to right
Down
  1. 1. A line that moves up and down
  2. 3. When an atom GAINS Electrons, it becomes a ___________ Ion
  3. 6. How many Protons an Atom has is the Atomic __________
  4. 7. The Positive Charge of an Atom
  5. 8. The Center of the Atom
  6. 9. When an atom LOSES Electrons, it becomes a ___________ Ion
  7. 11. Elements that move left and right on the Periodic table
  8. 12. A word that refers to something to do with Atoms