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because they have completely filled orbitals (or shells). hence generally are inert

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12y ago

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Which element have zero valency?

Noble gases were considered elements with zero valency; but today a significant number of noble gases (especially xenon) are known.


Oxidation number of groups in periodic table?

Group 1 elements have an oxidation number of +1, group 2 elements have an oxidation number of +2, group 17 elements have an oxidation number of -1, and group 18 elements (noble gases) have zero oxidation number since they are chemically unreactive.


What are some other names for Noble gases?

Another name for noble gases is inert gases.


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There is a total of 17 elements in those groups.


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The noble gases, or group 18 elements, have oxidation states of zero. However, their chemistries are not as barren as one might expect. Please see the link for the periodic table and individual articles for these elements.


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Group 17 elements are called the halogens. Group 18 elements are called the noble gases.


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Group 17 elements are called the halogens. Group 18 elements are called the noble gases.


What group is the noble gas in?

The noble gases are found in Group 18 of the periodic table. These elements are known for their stability and reluctance to form chemical bonds with other elements due to their full outer electron shells.


What does group 18 become when it is attain in the periodic table?

Group-18 belongs to inert elements. The elements attain stability.


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Noble gases (or group 18 elements)


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Elements in group 18 do not often form bonds.


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The elements that make up Group 18 on the Periodic Table are caleed noble (or inert) gases.