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Number of protons is 11
Number of neutrons is 12
Number of electrons is 10
For a neutral Na, Sodium atom:
The mass number P+N = 23
Atomic number (E or P) = 11
A charged Na atom that has lost an electron is positively charged and so: Number of Protons = 11 (Still the same)
Number of neutrons = 12
Number of electrons = 11-1=10 (the atom has lost an electron)
If an atom loses electron, it becomes positively charged ie. P>E
Learn more about Electrons, Protons, Neutrons here:
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