what-is-the-significance-of-the-d-subshell-in-an-atom

Question

What is the significance of the 'd' subshell in an atom?

Accepted Answer

It has a complex shape and can hold up to 10 electrons.

Answer

It is not a recognized subshell.

Answer

It is spherical and can hold up to 2 electrons.

Answer

It is dumbbell-shaped and can hold up to 6 electrons.