Elements and Compounds

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Across
  1. 2. smallest unit of an element that shows all its properties
  2. 4. the property of being able to be drawn into wires
  3. 5. possess properties of both metals and non-metals
Down
  1. 1. formed by chemical combination of two or more elements in definite proportion by mass
  2. 3. standard abbreviations used to represent one atom of an element