The atomic number of neon is 10.Therefore,which of the following is most correct about an atom of neon?

A)It has 8 electrons in its outer electron shell.
B)It is inert.
C)It has an atomic mass of 10 daltons.
D)It has 8 electrons in its outer electron shell and it is inert.
E)It has 8 electrons in its outer electron shell, it is inert, and it has an atomic mass of 10 daltons.