Elements Compounds and Mixtures

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Across
  1. 3. a set of chemical symbols showing the elements present in a compound and their relative proportions
  2. 4. anything that has mass
  3. 5. the basic unit of a chemical/that almost everything is made of
Down
  1. 1. when atoms of the same type group together
  2. 2. a thing that is composed of two or more separate elements
  3. 4. components that are not chemically bonded together