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Neon has 10 electrons.

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Its atomic number is 10. implying that neon has 10 protons and 10 electrons.

As it has 8 electrons in the outer most shell it is very stable and does not need any other atom to contribute or to share with. So the neon atom is able to exist alone which is why it is known as an inert gas.

Neon has 3 stable isotopes: 20Ne, 21Ne, and 22Ne; and 16 additional isotopes that are radioactive and range from 16Ne to 34Ne. All sport the atomic number of 10.

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12y ago

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