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None. Neon has two layers of electrons, both filled completely. This means that there cannot be unpaired electrons in this atom.

Electrons are a  subatomic particle with a negative charge. They are also found present in atoms.

The number of unpaired electrons in a neon atom is zero.

A neon atom is part of the first twenty element and it is the tenth element in the series. Its chemical symbol is represented as Ne, its atomic number is 10 while the atomic mass is approximately 20.

It belongs to period 2 and found in the noble gas group. As the number of protons is the same as the electrons, therefore the number of electrons is 10.

In a neon atom, its electronic configuration is [He] 2S2 2p6. All electrons here are paired (in twos) with none unpaired. Therefore, the number of unpaired electrons in a neon atom is zero.

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