Day 2 Vocab Crossword

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Across
  1. 7. Elements that do not occur naturally
  2. 9. When an electron leaves an atom because there is not enough energy
  3. 11. Elements consisting of two atoms
  4. 12. the columns on a periodic table
  5. 13. silver-gray color, metallic luster, ductile and malleable
  6. 14. The distance from the nucleus to the outer shell
Down
  1. 1. Electron Electrons in the outer most shell
  2. 2. The weighted average mass of all isotopes of an element
  3. 3. The amount of protons in the nucleus
  4. 4. no metallic luster, not malleable, liquids or gases at room temperature
  5. 5. have metallic luster, brittle and easily shattered, solid at room temperature
  6. 6. a diagram used to show how electrons are arranged around individual atoms
  7. 8. The attraction of one atom to another
  8. 10. the rows on a periodic table