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 | Do you know how many protons, neutrons, and electrons Oxygen has? | |
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| No I don't! | |
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| Well, the number of protons and electrons is determined by the atomic number! Since Oxygen has an atomic number of 8, oxygen has 8 protons and 8 electrons. | |
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| So how do you know how many neutrons Oxygen has? | |
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| To determine the number of neutrons, you subtract the atomic mass and the atomic number. | |
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| So, since oxygen has an atomic mass of 16 and an atomic number of 8... you have 16-8. Oxygen has 8 Neutrons! | |
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