| A | B |
|---|
| molecule | smallest unit of an element or compound |
| coefficient | a number before a variable. eg. 3 in 3x |
| concave | hollow and curved |
| convex | a surface that is rounded outward |
| conductor | Electricity can flow through it. |
| alkaline | have a pH value of more than 7 |
| diagram | picture |
| valence electron | the outermost electron number |
| acid | have a pH value of less than 7. It's sour. |
| acidic | adjective of acid |
| base | reacts with an acid to form a salt; have a pH value of more than 7 |
| insulator | Electricity can't flow through it. |
