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Nina [5.8K]
3 years ago
8

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. Given this information, how many

Chemistry
1 answer:
Elena-2011 [213]3 years ago
5 0
Proton number is the same as atomic number = 11
as electrons have a mass which is so small its counted as 0 and protons and neutrons relative mass is 1 
the number of neutrons = 23- 11 = 12 neutrons
In a neutral atom the number of electrons= number of protons but here we have a +1 ion so there is one less electron then proton therefore the number of electrons = 10
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