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9 Cards in this Set
- Front
- Back
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How do you find the number of protons |
the atomic number |
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How do you fine the number of neutrons |
Mass number - atomic number |
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How do you fine the number of electrons |
The atomic number |
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Where are protons, neutrons and electrons found in a atom |
Protons & neutrons in the nucleus (centre of atom) Electrons orbit the nucleus |
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What is a molecule |
Group of atoms bonded together |
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What is a compound |
Composed of two or more seperate elements |
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What is an isotope |
Same element but with different mass ( more neutrons) |
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What is the mass of an atom |
Mainly determined by number of protons and neutrons in nucleus |
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What is relative isotopic mass |
Mass of individual isotope |
