Atoms and Ions

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Across
  1. 2. Chemical symbol C
  2. 4. An atom that has gained an electron
  3. 6. Bonds between charged particles
  4. 7. Tell you how many protons and electrons an element will have
  5. 10. Atoms joined together are ...
  6. 11. Made of just one type of element
  7. 12. Atoms of the same element with different numbers of neutrons
  8. 13. The basic building block of life.
  9. 15. Made of different elements bonded together
  10. 16. Contain protons and neutrons
  11. 17. A columns of the periodic table
Down
  1. 1. Bonds that share electrons
  2. 2. An ion that has a positive charge
  3. 3. Particle found in the nucleus that carries a positive charge
  4. 5. A rows of the periodic table
  5. 6. An atom that has gained or lost an electron
  6. 7. The overall weight of an element
  7. 8. Is found in clouds around the nucleus
  8. 9. The maximum number of electrons in the second electron shell
  9. 14. Chemical symbol Hg