The atomic number of lithium is 3. How many neutrons does an atom of lithium have if it is represented by the symbol shown below? 7Li

asked Oct 20, 2018 193k views

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The atomic number of lithium is 3. How many neutrons does an atom of lithium have if it is represented by the symbol shown below?

7Li

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if it is not an isotope then it has around 21 neutrons

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