Matter

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Across
  1. 2. - Group of two or more elements chemically combined
  2. 4. - Ability of substance to be pounded into sheets
  3. 6. - Group of elements classified as shiny, conductors of heat and electricity
Down
  1. 1. - Group of elements classified as dull, non-conductors of heat and electricity
  2. 3. - Group of elements classified as having properties of both metals and nonmetals
  3. 4. - smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  4. 5. - Substance that cannot be broken down into simpler substances