PERIODICTY

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Across
  1. 2. how strongly an atom attracts an electron to its own nucleus
  2. 4. amount of energy required to remove, AKA take, an electron from an atom
  3. 7. as the # of protons increase the positive nuclear charge increases
  4. 8. Mendeleev organized the first periodic table by
  5. 10. Hybrid chemical and physical properties; semi-conductors
Down
  1. 1. as the # of energy levels increase, it reduces the proton pull effect
  2. 3. Pictoral description of the electrons in an atom
  3. 5. the radius of an atom
  4. 6. a set of numbers that describe the location of an electron
  5. 9. Mosley organized the modern periodic table by