Sodium has 11 electrons
Sodium has 11 protons, 11 electrons and 12 neutrons.
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Sodium's atomic number is 11. Thus, it has 11 protons, all of them being positively charged. In order to be neutral then, an atom of sodium must also have 11 electrons.
Cl Chlorine
About 1/5 teaspoon.
It is got 4 electrons in its outermost shell. The last two electrons fall in the 4p orbitals.
Sodium's atomic number is 11. Thus, neutral sodium has 11 protons and 11 electrons per atom. 23Na is sodium's only stable isotope, having 23 - 11 = 12 neutrons.
There are 28 protons in the element nickel
in indianaplisse
The sodium atom has 11 protons 11 electrons and 12 neutrons.
a solid
It is Na2S