Question

The correct set of four quantum number for the valence electrons for rubidium atom (z = 37) is

• A. $5,0,0,+\frac{1}{2}$
• B. $5,1,0,+\frac{1}{2}$
• C. $5,1,1,+\frac{1}{2}$
• D. $5,0,1,+\frac{1}{2}$

Answer 1

The correct option is A $5,0,0,+\frac{1}{2}$

atomic number =37 is 's' block and $5^{th}$ period