14. An is NOT connected to neutral
because
one has an equal number of protons and electrons and the other has
fewer or more electrons than protons.
Your answer

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.