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All noble gasses have 8 valence electrons, it is what makes them "stable" and therefore are non reactive.

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13y ago
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12y ago

helium (He) because it only has 2 electrons

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11y ago

Helium has only 2 valence electrons.

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11y ago

Helium, He, which has only two, 1s2

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Helium

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Helium

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Q: Which noble gases does not have 8 electrons in its highest occupied enegry level?
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Related questions

What is true about the electron configurations of the noble gases Decent levels are partially filled be the electrons with the highest energy you sublevel see the highest occupied SN?

The valence electron shell of noble gases is full.


What is true about the highest occupied s and p sublevels for the noble gases?

they are all completely filled in the case of noble gases


Why is krypton in the noble gases group?

Because it has it has eight electrons in the outermost occupied energy level.


What electron configuration is mostly likely to result in an element that is relatively inactive?

a filled highest occupied principal energy level


What has full s and p orbitals in the highest occupied energy levels?

All of the Nobel gases do (He Ne Ar Kr Xe and Rn)


Why some elements of 8A group do not form chemical bonds?

Elements in group 8A of the periodic table, known as the noble gases, do not readily form chemical bonds because they have a fully occupied valence shell of electrons. This stable electron configuration makes them highly unreactive, as they do not have a tendency to gain, lose, or share electrons with other elements. Consequently, noble gases exist as monoatomic gases and are generally chemically inert.


What gases do not gain electrons?

Noble gases


What is another word for noble gases?

Another word for a noble gas is an inert gas. These elements have the maximum electrons in their highest energy level.


How many electrons are in energy level 3 of argon?

it has eight electrons in its outermost shell, which is one of the qualifications of the first three noble gases. The highest energy level refers to the atoms outer shell of electrons


Do gases contain unbalanced numbers of electrons and protons?

Neutral gases do not; ionized gases do.


How many electrons are in the outermost energy level of noble gases?

Helium has 2 valence electrons. All other noble gases have 8 valence electrons.


How many valence electrons do noble gases have?

Inert gases have 8 valence electrons. This is why they are inert, they have a complete octet formed of electrons and are in their lowest energy configuration.