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Physical Science-WGU
| Question | Answer |
|---|---|
| the number of protons | determines the idenity of am element |
| atom | building block of the universe |
| kinetic energy | degree of movement of the atoms |
| solids | when atoms are closely packed together & cannot move except vibration |
| liquids | when atoms are closely packed together & loose enough to flow |
| gases | when atoms are not packed together & can move freely |
| plasma | ionized gas |
| to convert a liquid to a gas | raise its temperature |
| the transition from liquid to gaS | vaporation |
| the transition from gas to liquid | condensation |
| state of matter has particles w/ the highest energy | plasma |
| to convert a gas to a liquid | increase pressure to condense |
| electron | negative charge |
| nuetron | no charge |
| proton | postive charge |
| scalar |