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Argon, Helium, and all other elements at the far right end of the Periodic Table have a full valence (outer) electron shell, with 8 electrons in the s and p orbitals. The goal of every chemical reaction is to satisfy the octet rule, and fill the valence shell of all elements involved.

Because the inert gasses already satisfy the octet rule, they have no reason to react. Their nonreactivity has earned them the nickname "inert" which means "lifeless or inactive".

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Argon and helium are known as inert gases because they are chemically stable and do not easily react with other elements to form compounds. They have full outer electron shells, making them less likely to gain or lose electrons. This inactivity gives them low reactivity, making them useful in applications where a non-reactive atmosphere is needed.

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Q: Why are argon and helium known as inert gases?
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Related questions

What family do helium and argon belong to?

Helium and argon both belong to the noble gas family.


Are helium argon and neon inactive gases?

Yes, helium, argon, and neon are considered inactive gases because they are chemically inert, meaning they do not readily react with other elements to form compounds. They are also known as noble gases.


What are the other names for noble gases?

The noble gases are also known as inert gases or rare gases.


What are rare or inert gases more commonly known as?

Inert gas = Noble gas Helium, Neon, Argon, Krypton, Xenon, Radon


List of inert gases?

They are the noble gasses helium, neon, argon, krypton, xenon and radon and also less importantly the highly unstable and virtually non existent in nature: ununoctium. These noble gases have stable electronic configuration (they have completely filled valence orbitals / energy levels) and are chemically inert under STP. Hence they are considered to be inert gases.


What is the Family name for argon?

The group that argon belongs to is the Noble Gases, otherwise known as the inert gases. However, Noble gases is the more acceptable term nowadays because the description inert implies that they cannot be reacted with. These Noble Gases such as argon can be reacted with, but they need incredibly extreme conditions to do such.


What is the best element known of the inert gases?

the last group or the 18th group of the table the helium group known as noble gases are known as inert gases


What is the name given to elements in column 18 of the periodic table?

The elements in column 18 of the periodic table are known as the noble gases. They include helium, neon, argon, krypton, xenon, and radon. Noble gases are characterized by their very low reactivity due to having a full outer electron shell.


What is the family of inert gases marking the right side of the periodic chart?

The family of inert gases on the right side of the periodic chart is known as the noble gases. They include helium, neon, argon, krypton, xenon, and radon. These gases are characterized by their low reactivity and stable electron configuration.


What family does argon belong to?

Argon belongs to the noble gas family, also known as Group 18 or Group VIIIA on the periodic table. This family includes other gases such as helium, neon, krypton, xenon, and radon. Nobles gases are known for their stable and unreactive nature due to having a full outer electron shell.


What are the helium neon argon xenon and radon also known as?

Noble gases.


What are the three most abundant noble gases in the atmosphere?

We find the inert gases argon (9,340 ppmv), neon (18.18 ppmv) and helium (5.24 ppmv) in the earth's atmosphere. Note that we use ppmv here to mean parts per million by volume. A link can be found below to check facts and learn more.