Question 242768

In what way are the electron configurations of H, Li, Na, K, Rb, and Cs similar?

Choose one or more:

A. They belong to a mathematical progression in atomic number such that Z + 8 describes the next atomic number.

B. They all have an unpaired electron with a spin magnetic quantum number, ms = –1/2.

C. They all have an unpaired electron with a spin magnetic quantum number, ms = +1/2.

D. They all have an unpaired electron with a magnetic quantum number, mℓ = 0.

E. They all have an unpaired electron in an s orbital.

F. They all have an unpaired electron with an angular momentum quantum number, ℓ = 0.