The element sodium has<span> 12 neutrons, </span>11<span> electrons and </span>11<span> protons.
</span>
A. 1 valence electron
b. 4 valence electrons
c. 2 valence electrons
d. 6 valence electrons
The modern day model of an atom has a lot of questions answered about it answered and is very accurate while John's version was a very early model before technology was advanced enough to get more information on it so it was very basic and not as accurate as today's model. Hope this helps!