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chem
ionic
| Question | Answer |
|---|---|
| Electron | negatively charged subatomic particle |
| Metalloid | elements with properties of both metals and nonmetals. |
| Alkaline earth metal | has two electrons in its outermost energy level. |
| Absolute temperature | temperature measured using the Kelvin scale |
| acid | a chemical reaction that donates protons or hydrogen ions |
| endothermic | absorbs energy (gets cold). |
| exothermic | gives off energy (gets hot) |
| half-life | half of the radioactive atoms |
| immiscible | two substances don't dissolve in each other |
| inhibitor | substance that slows down a chemical reaction |