Which of the following statement(s) is/are correct?

Options

A. The electronic configuration of Cr is `[Ar]3d^(5)4s^(1)`. (Atomic number of `Cr = 24)`
B. The magnetic quantum number may have a negative value
C. In silver atom, 23 electrons have a spin of one type and 24 of the opposite type. (Atomic number of `Ag = 47)`
D. Number of angular nodes for `d_(z^(2))` is two

Answer

A, B, C, D

Explanation

Orbital concept and Electronic configuration concept