Atoms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What three particles make up every atom? | Protons, neutrons, and electrons
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| What makes an atom a certain element? | Number of protons
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| What particle is negatively charged? | Electron
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| Where are protons and neutrons located? | The nucleus
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| What determines atomic number? | Number of protons
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| What makes isotopes unique? | Number of neutrons
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| What particle is positively charged? | Proton
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| What particle is neutrally charged? | Neutrons
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| What two particles make up nucleons? | Protons and neutrons
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| Where are electrons located? | Orbitals
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| Which particle(s) participate in chemical reactions? | Electrons
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| How many protons does nitrogen contain? | 5
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| How many neutrons does C-11 contain? | 5
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| How many valence electrons does oxygen possess? | 8
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| What does the unit ‘amu’ stand for? | atomic mass unit
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| What particle essentially has no mass? | Electron
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