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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 |