chemistry
Across
- 4. a process where a substance loses electrons, gains oxygen, or loses hydrogen
- 5. something done, felt, or thought in response to a situation or event.
- 7. the smallest particle of a chemical element
- 9. potential of hydrogen
- 11. essential or characteristic part of something abstract.
- 12. a means of solving a problem or dealing with a difficult situation
- 13. different forms of the same element, characterized by having the same number of protons
Down
- 1. a substance with particular chemical properties
- 2. a substance that can neutralize acids
- 3. a substance that dissolves another substance
- 6. a substance that speeds up a chemical reaction without being consumed
- 8. a thing that is composed of two or more separate elements
- 9. an insoluble solid that forms and separates from a solution during a chemical reaction
- 10. a chemical process where a species gains electrons or has its oxidation state decrease,