The diagram below is an artist’s impression of a single atom of element Be. The neutrons are shown with stripes, the protons are gray, and the electrons are black. These particles are not drawn to s

The diagram below is an artist’s impression of a single atom of element Be. The neutrons are shown with stripes, the protons are gray, and the electrons are black. These particles are not drawn to scale.

Which element below could be an isotope of this atom?

Need Help Asap! please and thank you.

A.sodium-10

B.beryllium-10

C.boron-9

D.carbon-9