Elements of the Periodic Table

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Across
  1. 3. The horizontal rows on the periodic table.
  2. 4. neutral particles found in the nucleus.
  3. 5. Something made up of 2 or more different elements.
  4. 7. Positively charged particles.
  5. 9. Two or more atoms chemically bonded together.
  6. 10. The building blocks of matter.
  7. 12. Negatively charged particles.
  8. 13. 2 of the same type of element bonded.
  9. 15. Where the protons and neutrons are found in an atom.
Down
  1. 1. Place where all the elements are arranged.
  2. 2. Atoms that are all the same.
  3. 6. Anything that has mass or takes up space.
  4. 8. Cannot be broken down into simpler substances.
  5. 11. The vertical rows on the periodic table.
  6. 14. 2 or more things combined without chemically bonding