Emma's Physical Science Crossword

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Across
  1. 3. An atom, radical, or molecule that has gained or lost one or more electrons and has a negative or postitve charge
  2. 4. A unit or quantum of light
  3. 8. An electron that is found in the outermost shell of an atom that determines the atoms chemical properties
  4. 9. I have the atomic symbol Hg, but I am not Hydrogen
Down
  1. 1. An element or compound that conducts electric current better than an insulator but not a conductor
  2. 2. 1s^2 2s^2 2p^2
  3. 4. states that repeating chemical and physical properties of elements change periodically with atomic numbers of the elements
  4. 5. A region in an atom where there is a high probability of finding electrons
  5. 6. An element that conducts heat and electricity poorly
  6. 7. An element that is shiny and conducts heat and electricity well