Electrons in the outer shell are called

Electrons in the outer shell are called Valence Shells 

The answer is that the electrons in the outermost occupied shell determine the chemical properties of the atom; it is called the valence shell. Each shell consists of one or more subshells, and each subshell consists of one or more atomic orbitals.

So the answer is the valence shell.

What even is this. where is the question

Iwould say a is accurate