PHY SCI Crossword by Mr. Walls

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Across
  1. 4. An element or compound that conducts electric current better than an insulator but not as well as a conductor does
  2. 6. An element that conducts heat and electricity poorly
  3. 9. A subatomic particle that has no charge and that is found in the nucleus of an atom
  4. 10. One of the elements of Group 17 of the periodic table
  5. 12. A vertical column of elements in the periodic table
  6. 13. A horizontal row of elements in the periodic table
  7. 14. An atom’s central region which is made up of protons and neutrons
Down
  1. 1. An atom or group of atoms that has lost or gained one or more electrons and has a negative or positive charge
  2. 2. A unit of mass that describes the mass of an atom or molecule; it is exactly one-twelfth of the mass of a carbon atom with mass number 12
  3. 3. A subatomic particle that has a positive charge and that is found in the nucleus of an atom
  4. 5. An atom that has the same number of protons as other atoms of the same element do but that has a different number of neutrons
  5. 7. A subatomic particle that has a negative charge
  6. 8. An element that is shiny and conducts heat and electricity well
  7. 11. A region in an atom where there is a high probability of finding elections