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Neon, Helium, and argon

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Q: What are the 3 least reactive noble gases?
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Which of the following elements is the least reactive?

Helium is least reactive element.It forms no compounds.Platinum is least reactive metal.


Do all of the noble gases have at least 3 electron shielding layers?

No, not all noble gases have at least 3 electron shielding layers. The noble gas helium (He) has only two electron shielding layers, while the remaining noble gases (Neon, Argon, Krypton, Xenon, and Radon) have three or more electron shielding layers.


Do all noble gases have at least three electron sheilding layers?

No. The first three noble gases (helium, neon and argon) have 1, 2 and 3 energy levels respectively.


What are some other names for noble?

Noble gases are also known as, 1- inert gases 2- rare gases 3- monoatomic gases 4- zero group elements.


What noble gases have 3 complete outermost shell?

There are six noble gases: helium, neon, argon, krypton, xenon and radon. All have completely filled outermost shell. Helium has 2 valence electrons while the other elements have 8 valence electrons.


What are some other names for Noble gases?

Another name for noble gases is inert gases.


What are the 3 major categories of the elements?

Metals, non-metals and noble gases.


What are 3 noble gases in the periodic table?

Helium, Neon, Argon and if another Krypton.


What are the two names for group 18 elements?

Elements of Group 18 may be called as;1-Noble gases 2-Rare gases 3- Inert gases


What are the 3 lightest members of the noble gases?

Helium, neon, and argon are the three lightest members of the noble gases.


What are the differences between atmospheric nitrogen and laboratory nitrogen?

Chemical nitrogen 1 it is pure as it does not have any inert gases. 2 it is lighter compared to atmospheric nitrogen. 3 it is highly reactive. Atmospheric nitrogen 1 it has 1% inert gases. 2 it is heavier than chemical nitrogen due to the dust particles. 3 it is less reactive because of the inert gases.


What does the groups in the periodic table of elements describe?

it describes what are metals, non-metals and what are metalloids (semi-metals) group 1: Alkali Metals (reactive) group 2: Alkaline earth metals (reactive) group 3-12: transition metals group 13-17: non metals group 17: non metal, BUT ALSO a halogen group 18: Noble gases (inert - non reactive) Hope i helped you out, :) Alana