Nuclear charge of sodium atom.

Nuclear charge can be calculated by multiplying the ordinal number of the element Z by the proton charge e. We turn to the periodic table. In the table, sodium has serial number 11. The charge of the proton is + 1 or if the coulombs are 1.6 * 10 ^ -19. So the charge of the sodium nucleus is Z * e = 11 * (+ 1) = + 11.



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