Question

Are noble gases metals or non-metals?
If non-metals why the considered so? Explain.......
Give correct answer

Answer 1

All the noble gases except radon occur in the atmosphere. They are chemically unreactive. They have their valence cell orbitals completely filled. Since non metal are the element which accepts electron to complete their octet while noble gases already have a complete octet.

Answer 2

when classifying the chemical elements. Each element can usually be classified as a metal or a non-metal based on their general Chemical and Physical Properties. The 6 elements classified as "Noble Gases" are located in Group 18 of the Periodic Table. Because the outermost electron shell of atoms of these gases is full, they do not react chemically with other substances except under certain special conditions. Noble Gases are also known as the inert gases. The noble gases are not reactive. This is because they have little tendency to gain or lose electrons. The elements categorised as Noble Gases are used to make lighted signs, refrigerants, and lasers.

Origin of the term 'Noble Gas'

The term 'Noble gas' derives from the Old High German word Edelgas from 'edili' meaning "noble". The name 'noble gases' is an allusion to the old, similarly termed 'Noble Metals'. The Noble Metals included Gold, Silver and Platinum. Noble Metals were so called due to their long association with the aristocracy.

What are Noble Gases? Common Properties of Noble Gases

The common properties of Noble Gases include a complete valence shell. They have high ionization energies and very low electro-negativities. Noble gases are fairly non-reactive and have low boiling points.

Common properties of Noble Gases

The elements classed as Noble Gases have the following properties in common:

They are non-metals

Very un-reactive gases

Colourless

Exist as single atoms

Very low electro-negativities

High ionization energies

Noble Gases List - List of Chemical Elements in the Periodic Table

The elements contained in the classification of Noble Gases list are as follows:

Helium

Neon

Argon

Krypton

Xenon

Radon

Elements classified as Noble Gases

The 6 elements classified as "Noble Gases" are located in Group 18 of the Periodic Table.

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