periodic table vocab

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Across
  1. 4. substance that consists enirley of one type of atom.
  2. 6. a tiny negatively charged that moves around the nucleus of an atom.
  3. 8. vertical columns on the periodic table that have common properties. Also known as families 1/3
  4. 9. positively charged in the nucleus of a atom.
Down
  1. 1. brittle, dull,poor conductors of heat and electricity; located on the right side of the periodic table.
  2. 2. found along the staircase. Have properties of both metals and nonmetals.
  3. 3. the smallest unit of an element that maintains the properties of that element
  4. 5. shiny, malleable, ductile and good conductors.
  5. 7. a subatomic particle that is neutral and that is found in the nucleus of an atom.
  6. 9. horizontal rows on the periodic table.