use the periodic to write the electron configuration for rubidium (rb) in noble - gas notation. rb: kr s^1…
use the periodic to write the electron configuration for rubidium (rb) in noble - gas notation. rb: kr s^1 done
Answer
Explanation:
Step1: Locate rubidium in periodic table
Rubidium (Rb) has atomic number 37. Krypton (Kr) has atomic number 36.
Step2: Determine the next - orbital
After the noble - gas core of Kr, the next electron goes into the 5s orbital.
Answer:
$5$