Two
An atom of helium has 2 electrons.
Sodium has 11 electrons.
13
Copper atom has 29 electrons.Uranium atom has 92 electrons.
Tantalum has 73 protons and electrons and its isotopes have 108 or 107 neutrons.
The number of electrons depends on what type of atom it is.
A Mercury atom has 80 electrons.
The chlorine atom has 17 protons and electrons.
34 electrons
28 electrons.
The neutral atom of curium has 96 electrons.
Every oxygen atom has eight electrons.
There is no Iodone atom, there is however an Iodine atom that has seven valence electrons or seven electrons in outermost shell.
51 electrons
There are 20 electrons in a calcium atom.
it has 29 electrons