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If element X has 15 protons, how many electrons does it have?

If element X has 15 protons, how many electrons does it have?
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If element X has 15 protons, how many electrons does it have?

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User MattyZ
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If the element has 55 protons it is celcium and it also has 55 electrons. It has an atomic mass of 133 (132.9) so to get the number of neutrons you subtract the atomic mass and the number of protons.
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User Gnuchu
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If element X has 15 protons, it would also have 15 electrons.
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User Uuu Uuu
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