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Helium is unreactive and is chemically inert. Krypton generally compounds with fluorine such as KrF2, KrF4

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What are the gasses in the periodic table that are unreactive?

The noble gases are extremely stable and have an octet (eight electrons in their outer shell with the exception of helium that has two). The far right group on the periodic table contains the noble gases such as helium, neon, argon, krypton, etc.


What elements belong to the group of noble gases?

The noble gases group on the periodic table includes helium, neon, argon, krypton, xenon, and radon. These elements are known for their stable and unreactive nature due to having a full outer electron shell.


What is the chemical property of the element krypton?

Krypton is an unreactive gas.


Which element is a noble gas that is unreactive?

Helium, Neon, Xenon, Krypton, Radon, and Argon.


Are helium and krypton similar?

Helium and krypton are both noble gases, but they differ in terms of properties. Helium is lighter and has a lower boiling and melting point compared to krypton. Krypton is also more chemically reactive than helium.


List the elements that belong to the noble family?

The noble gases belong to the noble family. These include helium, neon, argon, krypton, xenon, and radon. They are inert gases that have a full valence shell of electrons, making them stable and unreactive.


What is helium's reactivity ability?

Helium is totally unreactive.


Does helium change into a different substance?

Helium is unreactive.


What elements do no react with other elements?

Elements that are extremely unreactive include: Platinum (Pt), Gold (Au), Helium (He), Argon (Ar), Xenon (Xe), Krypton (Kr). These are unreactive because: Platinum and Gold are the bottom two elements in the metals Reactivity series. The rest are inert gases which are all unreactive.


Why doesn't krypton have an oxidation number?

Along with helium, argon neon radon and xenon, krypton is a "noble" gas that had a full outer electron shell, and does not react with other things.


Which elements belong to the group of noble gases?

The noble gases group includes helium, neon, argon, krypton, xenon, and radon. These elements are known for their stability due to their full outer electron shells, which makes them generally unreactive.


The noble gases include helium neon argon krypton xenon and radon. What property do these elements share?

They readily form compounds with other elements.