c2eloverever c2eloverever
  • 21-11-2016
  • Chemistry
contestada

Which element has six energy levels?

A) rubidium (Rb)

B) cesium (Cs)

C) potassium (K)

D) sodium (Na)

Respuesta :

lschwarz lschwarz
  • 21-11-2016
Answer:    B) cesium (Cs)
Answer Link
scme1702
scme1702 scme1702
  • 21-11-2016
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.
Answer Link

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