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Biology
2.1-2 Redo
| Question | Answer |
|---|---|
| What is the basic unit of matter? | Atom |
| What are the 3 subatomic particals? | Protons, electrons, and neutrons |
| What subatomic particals are positively charged? | Protons |
| What subatomic particals are negatively charged? | Electrons |
| What subatomic particals are neutral? | Neutrons |
| What two subatomic particals have the same mass? | Protons and neutrons |
| Where are protons and neutrons found? | The nucleus |
| Where are electrons found? | The outside of the nucleus |
| Why are atoms neutral? | They have an equal amount of subatomic particals |
| What are two main types of chemical bonds? | Covalent and ionic |
| What is cohesion? | When two atoms of the same substance are attracted |
| What is adhesion? | When two atoms of a different substance attract |
| What makes a solution? | A solvent and a solute |
| What is a solvent | The substance that is dissolved |
| What is a solute | The substance that dissolves the solvent |