Station #4 - Brain Break

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Across
  1. 2. how many valence electrons a noble gas has
  2. 4. columns on the periodic table
  3. 5. this is how easily an atom loses an electron
  4. 9. the force that holds two atoms together
  5. 10. an atom that loses electrons
Down
  1. 1. there is a periodic repetition of chemical and physical properties of the elements when they are arranged by increasing atomic number
  2. 3. rows on the periodic table
  3. 6. this rule states that atoms tend to gain, lose, or share electrons in order to acquire eight valence electrons
  4. 7. this structure can be used to illustrate the formation of chemical bonds
  5. 8. an atom that gains electrons