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