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Exam Study Guide
| Question | Answer |
|---|---|
| How Do You Calculate Density ? | Density= Mass/Volume |
| What Is The Definition Of Solid? | The state of matter that has a defined shape and volume with molecules that are closely packed and vibrate in place |
| What is The Definition Of Liquid? | A state of matter with a defined volume but no defined shap |
| Particles Of The Speed Of Solids? | Particles in a Solid move Slower Than The particles in Gas And Liquid |
| Particles Of The Speed Of Gas? | Particles in a Gas move faster than the particles in both Solid and Liquid |
| Particles Of The Speed Of Liquid? | Particles in Liquid Mover Faster than Solids but Slower than Gas |
| What Is A Covalent Bond? | A chemical link between two atoms that share electrons |
| How Many Valence Electrons Are Needed For A Atom To Be Stable? | 8 |
| ___Ca+__O2 >__CaO | ___Ca+__O2 >_2_CaO |
| What Is The Definition Of Catalyst? | Substance that increases the rate of a chemical reaction by lowering the amount of energy needed for the reaction to occur, but is not changed by the reaction |
| What Is The Definition Of Law Of Conservation Of Mass? | A fundamental principle of science stating that mass cannot be created or destroyed in a closed system through ordinary chemical or physical means |
| What Are The 6 Signs Of A Chemical Reaction? | Bubbles of gas-Precipitate Forms-Color Changes-Temperature Changes-Light is Emitted-Change In Smell or Taste |
| What is a Exothermic Reaction? | Chemical Reaction That Gives Off Heat |