CHEMICAL REACTION

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Across
  1. 3. the species formed from chemical reactions
  2. 4. The interaction between substances leads to the rearrangement of atoms or molecules, resulting in the formation of new substances.
  3. 5. used in electric signs and fluorescent lamps
Down
  1. 1. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
  2. 2. the number of atoms of the element
  3. 4. substance that takes part in and undergoes change during a reaction.