The Atom and Periodic Table

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Across
  1. 2. The overall charge of the nucleus of an atom
  2. 5. The subatomic particle that has a positive charge
  3. 7. The subatomic particle that has a neutral charge
  4. 10. The subatomic particle that has a negative charge
  5. 11. This is created when two or more different elements join together
  6. 13. Is made up of only one type of atom
  7. 15. A change in the number of protons creates a ___
  8. 16. Are good conductors of heat and electricity
  9. 17. The overall charge of an atom
  10. 18. Where electrons are found
Down
  1. 1. A change in the number of neutrons creates a ___
  2. 3. A change in the number of electrons creates a ___
  3. 4. Is made up of a compound or element
  4. 6. Are solid or gasses at room temperature
  5. 7. Where protons and neutrons are found in the atom
  6. 8. Have properties of both metal and nonmetals
  7. 9. This are considered the basic building blocks of matter
  8. 12. The atomic ______ tells the number of protons and electrons in an atom
  9. 14. The number of neutrons in an atom is the _____ number - number of protons