chemistry crossword -ella baumert

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Across
  1. 2. negatively charged ion
  2. 7. fluorine, chlorine, bromine, iodine, and astatine
  3. 10. line indicates the position of the metalloids in the periodic table
  4. 11. express large numbers as the product of only two numbers
  5. 12. mss in grams of one mole of a substance
  6. 14. outer shell electron
  7. 17. horizontal rows on the periodic table
Down
  1. 1. vertical column of the periodic table
  2. 3. rare gases that include helium, neon, argon, krypton, xenon.
  3. 4. eight valence electrons
  4. 5. number of proton in the nucleus of an atom
  5. 6. element that lacks characteristics of a metal
  6. 8. atom or molecule with an electrical net charge.
  7. 9. element that has metallic bonds
  8. 13. mass of an atom
  9. 15. positively charged ion
  10. 16. element that has properties of both metals and nonmetals