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The Noble gasses already have a full valance shell so they don't need any more Electrons. This tends to make them avoid other atoms because they are totally neutral.

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12y ago
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15y ago

They do, in 1933, Linus Pauling predicted that the heavier noble gases would be able to form compounds with fluorine and oxygen. Specifically, he predicted the existence of krypton hexafluoride and xenon hexafluoride (XeF6), speculated that XeF8 might exist as an unstable compound, and suggested that xenic acid would form perxenate salts. These predictions proved quite accurate. The heavier noble gases have more electron shells than the lighter ones. Hence, the outermost electrons experience a shielding effect from the inner electrons that makes them more easily ionized, since they are less strongly attracted to the positively-charged nucleus. This results in an ionization energy low enough to form stable compounds with the most electronegative elements, fluorine and oxygen.

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11y ago

Noble gases have completely filled orbitals / energy levels. They generally have 8 valence electrons (helium has only 2 valence electrons) and have stable electronic configuration. Hence they are chemically inert and generally donot form compounds under normal conditions.

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12y ago

The noble gases are unreactive and because for two atoms to form a molecule they need to chemically react and for chemical reactions to take place 2 or more atoms are needed to react to form a molecule.

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11y ago

Noble gases have completely filled orbitals / electron energy shells. They are stable and chemically inert (non-reactive). So generally they will not accept / gain / share electrons and they do not form compounds / ions.

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11y ago

Noble gases have completely filled orbitals. Their valence orbitals are completely filled, have 8 electrons and obey octet rule (stable electronic configuration). Hence they are chemically inert (or do not react with other elements) and dont from compounds generally

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9y ago

To add to what Dark Maiden has said, you may be curious as to why noble gases are unreactive. Elements react with one another because they either share or exchange electrons. The way they share electrons with other elements depends on the quantum mechanical behavior of the electrons and their potential energies. The noble gas atom has an electron potential energy structure that does not allow it to share or exchange electrons with any other atom, therefore it can't react.

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11y ago

They don't generally form ions because they already have a full valence electron shell, a full 8, or 2 for helium.

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13y ago

noble gases have a full octet, and need not bond, as they do not need any more valence electrons

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8y ago

Noble gasses have a stable electron configuration. So they does not tend to lose or gain electrons.

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Q: Why noble gas do not form molecules?
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Related questions

Why don't noble gases form diatomic molecules?

Noble gas atoms can not lose energy by combining to form diatomic molecules, because each individual atom already has a filled outer electron shell.


What is the electron configuration of hydrogen in full and noble gas form?

Full form: 1s1. it doesn't have noble gas configuration as there is no noble gas before hydrogen


Why is it rare fro helium to from a compound?

because helium is a noble gas, so it does not (nearly) react with other molecules to form compounds


Is neon made of molecules or separate atoms?

Neon is an element, so it is composed of atoms. Neon is also a noble gas, which means it generally does not react to form molecules of any kind.


What do noble gases electrons form?

Noble Gas Configurations


What type of molecules do noble gases form?

Monatomic Gasses. IT


Why is it uncommon for noble gases to form chemicl bonds?

Atoms or molecules do chemical reactions to be stable, noble gasses are already stable, so they do not react with other molecules to form chemical bonds


Do Noble gases have a boiling point?

Boiling is the transition of a substance from its liquid phase to a gas. Since a "noble gas" is already a gas it can't boil. Noble gases can be condensed into a liquid phase by subjecting them to the right conditions of temperature and pressure. This liquid can then be turned into its gas phase (aka boiled) by increasing the temperature and/or reducing the pressure.


What happens to gases when heated?

When a noble gas is heated, its molecules move faster (this is the same as saying that the gas heats up).


In certain mass of gas the number of atoms and the number of moleucules are equal How?

The gas has molecules that are single atoms, as do the noble gases.


How do noble gases exist in nature?

Noble gasses exist in elemental form as individual atoms rather than molecules.


Is a fluorine a noble gas?

Noble gases are, for all intents and purposes, unreactive - there are a few noble gas compounds but you have to really work at it to convince noble gases to form bonds. Fluorine is an extremely reactive gas, hence it is not a noble gas. It is a halogen - the most reactive halogen of them all.