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The atomic number of sodium is 11. How many protons will there be in a sodium ion?
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44 votes
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The atomic number of sodium is 11. How many protons will there be in a sodium ion?

User Lasso
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21 votes
21 votes
11 is your answer
The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present)
User Clemej
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