| A | B | |
|---|---|---|
1 | Word | Clue |
2 | atom | smallest form of a chemical element |
3 | atomic number | number of protons in an element |
4 | density | the amount of mass per volume |
5 | electron | subatomic particle with a negative charge |
6 | gas | state of matter with no definite shape or volume |
7 | ion | molecule that has gained or lost electrons |
8 | liquid | state of matter that takes the shape of its container |
9 | mass | the amount of matter in an object |
10 | neutron | subatomic particle with no charge |
11 | nucleus | the center of an atom, made of protons and neutrons |
12 | plasma | state of matter similar to gas |
13 | proton | subatomic particle with a positive charge |
14 | solid | state of matter with a definite shape and volume |
15 | solution | mixture made up of multiple substances |
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