Across
- 1. are the species formed from chemical reactions.
- 3. Reaction- a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
- 5. Reaction- is a chemical reaction that releases energy by light or heat.
- 6. Changes- Chemical reactions often involve changes in energy due to the breaking and formation of bonds.
- 7. a substance to be deposited in solid form from a solution.
- 8. rapid chemical combination of a substance with oxygen, involving the production of heat and light.
Down
- 2. a substance that takes part in and undergoes change during a reaction.
- 4. is a chemical reaction in which an acid and a base react quantitatively with each other.
- 5. Reaction- process describes a process or reaction in which the system absorbs energy from its surroundings; usually, but not always, in the form of heat.