14519222
Description
Flashcards by Sarah Loon, updated more than 1 year ago
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Created by Sarah Loon
about 8 years ago
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| Question | Answer |
| Atomic Structure | Atoms consist of a nucleus and a cloud of electrons that move around it. The nucleus contains protons and neutrons. |
| Proton (+) | It is a positively charged particle. |
| Neutron | It is a neutral particle. It is not charged. |
| Electron | It is a negatively charged particle. |
| Proton Number / Atomic Number | You can identify an atom by the number of protons it has. |
| Electron Number | Every atom number has an equal amount of protons and electrons. So they do not have charge. |
| Nucleon Number | A nucleon is a product of protons and neutrons. The total number of protons of and neutrons in the nucleus is called its nucleon number (mass number). |
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