ICP CH 5 Vocab and Key Ideas

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Across
  1. 3. a row on the periodic table
  2. 5. a column on the periodic table
  3. 6. poor conductors of heat and electric current
  4. 7. elements in Group 8A are called ______ gases
  5. 10. noble gases are colorless and odorless and extremely ______
  6. 11. good conductors of electric current and heat
  7. 14. elements in Group 1A are called _____ metals
  8. 15. elements in Group 2A are called alkaline _____ metals
  9. 16. the most abundant metal in Earth’s crust
Down
  1. 1. elements in Group 7A are called ________
  2. 2. the most abundant element in Earth’s crust
  3. 3. elements in a group have similar _____ because they have the same number of valence electrons
  4. 4. this guy came up with one of the first periodic tables
  5. 8. their properties fall between those of metals and nonmetals
  6. 9. type of electron in the highest occupied energy level of an atom
  7. 12. besides nitrogen, fertilizers often contain _______
  8. 13. except for water, most of the compounds in your body contain _____
  9. 16. defined as one twelfth the mass of a carbon-12 atom