week 6 vocabulary Lucas Kovacs.

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Across
  1. 5. In chemistry, a horizontal row of elements in the periodic table.
  2. 7. An element that has properties of both metals and nonmetals.
  3. 8. A one, two, three-letter abbreviation of the same element.
Down
  1. 1. The weighted average of the masses of all naturally occurring isotopes of an element.
  2. 2. A vertical column of elements in the periodic table.
  3. 3. An element that conducts heat and electricity poorly.
  4. 4. An arrangement of the elements in order of their atomic numbers such that elements with similar properties fall in the same column, or group.
  5. 6. An element that is shiny and that conducts heat and electricity well.