Cha

3. A particle with negative charge that orbits the nucleus of an atom.
7. A chemical reaction in which energy is released
12. the ion H3O+, consisting of a protonated water molecule and present in all aqueous acids.
13. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
14. level the fixed amount of energy
15. the ability to do work
17. A chemical bond formed between two ions with opposite charges.
19. a measure of how acidic or basic a substance is.
20. a liquid in which a solute is dissolved to form a solution.
22. having a pH greater than 7.

1. the minor component in a solution
2. The simplest particle of an element that retains all properties of that element
4. Gain of oxygen that involves the transfer of electrons between species.
5. a process in which electrons are added to an atom or ion
6. the abundance of a constituent divided by the total volume of a mixture
8. a substance that undergoes a change during a process.
9. has a neutral charge
10. has a positive charge
11. A pure substance that is made up of atoms of two or more elements.
16. Elements being chemically put together.
18. having a pH greater than 7.
21. Any object that takes up space and has mass