If I understand the question correctly, the answer is none.
Five levels and none left over.
A xenon atom contains 54 electrons,
5 shells filled, no electrons left over.
Xenon has 54 electrons.
An atom of xenon contains 54 electrons, the atomic number of xenon.
5 shells and no electrons would be left over.
Five levels and none left over.
A xenon atom contains 54 electrons,
5 shells filled, no electrons left over.
Xenon has 54 electrons.
An atom of xenon contains 54 electrons, the atomic number of xenon.
Xenon has 54 electrons 77 neutrons and 54 electrons
Xenon has 54 electrons.
The are none.
The outer shell of xenon is full with 8 electrons.
The element xenon (Xe) has 54 protons and 54 electrons.
Xenon is a noble gas belonging to group 18. It has eight valence electrons.