click below
click below
Normal Size Small Size show me how
Atoms
| Question | Answer |
|---|---|
| What three particles make up every atom? | Protons, neutrons, and electrons |
| What makes an atom a certain element? | Number of protons |
| What particle is negatively charged? | Electron |
| Where are protons and neutrons located? | The nucleus |
| What determines atomic number? | Number of protons |
| What makes isotopes unique? | Number of neutrons |
| What particle is positively charged? | Proton |
| What particle is neutrally charged? | Neutrons |
| What two particles make up nucleons? | Protons and neutrons |
| Where are electrons located? | Orbitals |
| Which particle(s) participate in chemical reactions? | Electrons |
| How many protons does nitrogen contain? | 5 |
| How many neutrons does C-11 contain? | 5 |
| How many valence electrons does oxygen possess? | 8 |
| What does the unit ‘amu’ stand for? | atomic mass unit |
| What particle essentially has no mass? | Electron |