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Helium atom has 2 electrons.
3
A stable sodium atom has 11 electrons.
13
Copper atom has 29 electrons.Uranium atom has 92 electrons.
The atom must have 8 electrons to make it have a neutral charge
inert gases
1 more
A Mercury atom has 80 electrons.
The number of electrons depends on what type of atom it is.
A nitrogen atom has seven electrons.
.p,om,
normally 8
2
The neutral atom of potassium has 19 electrons.
Helium atom has 2 electrons.
An atom's atomic number is the number of electrons.