139k views
2 votes
Which element has five energy levels?

Potassium


Sodium


Rubidium


Cesium

1 Answer

6 votes

Answer:The energy level is the electron cloud number and only Cesium is large enough to have electrons in its sixth shell. Thus,

the answer is B.

Step-by-step explanation:

User Kyri Sarantakos
by
3.9k points