An atom of lithium has 3 protons and 4 neutrons.Recall its mass number. 1347
Question
An atom of lithium has 3 protons and 4 neutrons.Recall its mass number. 1347
Solution
The mass number of an atom is calculated by adding the number of protons and neutrons. In the case of a lithium atom with 3 protons and 4 neutrons, the mass number would be 3 (protons) + 4 (neutrons) = 7. Therefore, the mass number of this lithium atom is 7, not 1347.
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