HW Choice Board

2. The big number in front of a chemical formula used to balance an equation
4. Type of reaction where two or more simple substances combine to form one more complex product
8. process in which a new substance is formed
9. Reaction between an acid and a base that forms salt and water; a special kind of double replacement
12. Type of reaction where a substance reacts with oxygen and releases heat and light; often makes carbon dioxide and water
14. Substance that gets oxidized and causes another to be reduced
15. Process where a species gains electrons or its oxidation number decreases.
16. Tiny negatively charged particles that move in redox reactions

1. (opposite of a synthesis); when one complex molecule breaks down into two or more smaller, simpler molecules
3. Reaction where one element takes the place of another element in a compound Reaction where two compounds “swap partners” to form two new compounds
5. Process where a species loses electrons or its oxidation number increases
6. A solid that forms when two solutions are mixed (evidence of a reaction)
7. Describes an equation where the number of atoms of each element is the same on both sides
10. Type of reaction where one compound breaks apart into two or more simpler substances
11. Reaction where two compounds “swap partners” to form two new compounds
13. What we look for to show a chemical reaction has occurred (color change, gas, new solid, temperature change, light)
17. Type of reaction that involves both oxidation and reduction