Questions about elements that in Group 8 of the Periodic Table, that are generally inert and nonreactive under natural conditions.

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Electron affinity

Concerning the liberation of energy when an atom that is close to the configuration of a noble gas: Where does the energy dissipated from an atom upon receiving an electron come from?
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What is the Solubility of Common Noble Gases in Concentrated Phosphoric Acid, 85% w/v?

By Henry's Law, the concentration of a dissolving gas in a liquid is proportional to the partial pressure of that gas in contact with the liquid , mathematically, $ p = k_H c$, where $p$ is the ...
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1answer
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What is meant by complete outer shell? Why do the noble gases have zero valency?

Does having 8 or 2 electron in the outmost shell mean its outmost shell is full and its valency is zero? I know that the 3rd and 4th shell can contain 18 and 32 electrons. Then how can Argon's ...
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How many argon compounds are theoretically and experimentally available?

Just as HArF was synthesized...Could something like $\ce{Li-Ar-Li}$ exist with AXE geometry $\ce{AX2E3}$? Any other argon compound proposals out there? I also known that there are some posible ...
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Equation Balancing Paradox

I faced this reaction which can be balanced in $2$ distinct ways which are not multiples of each other. $$\ce{6XeF4}+\ce{12H2O} \to \ce{2XeO3}+\ce{24HF}+\ce{4Xe}+\ce{3O2}$$ $$\ce{4XeF4}+\ce{8H2O} ...
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Xenon and the human body

Reading this article on Wikipedia: Xenon Medical applications I see that Xenon can be used as an anesthetic, neuroprotectant and doping agent. If it is a noble gas, and thus, chemically stable, how ...
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280 views

How does the number of moles of gas affect the rate of effusion?

According to Graham's Law, the effusion rate of a gas is inversely proportional to the square root of the molar mass of the gas. However, consider this situation: We have 1 balloon with 1 mole of ...
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Are there natural conditions that could enable the formation of noble gas compounds?

Noble gases were considered to be inert until compounds that include them, such as xenon trioxide (as an example) were found. My question is, what natural conditions allow the formation of noble gas ...
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Why are noble gases stable

I was recently asked the question "Why are noble gases stable? with the expectation of providing an answer beyond the general explanation of "they have full valence layers" and I couldn't think of ...
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622 views

Options for long term storage of helium?

Specifically, if I wanted to purchase a large amounts of helium, what are my options for purchasing helium in a state that is suitable for long term storage? It's my understanding that if I were to ...
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945 views

Do noble gasses besides Helium form diatomic molecules at low temperatures?

I know that at extremely low temperatures (mK and lower), Helium can form diatomic molecules. Do the other noble gasses also form molecules at extremely low temperatures?
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What is the geometric configuration of the four fluorine atoms during the synthesis of xenon tetrafluoride?

Neil Bartlett (1932–2008) first synthesized $\ce{XeF{_4}}$ (and $\ce{XeF{_6}}$) in 1962. In the synthesis, a nickel chamber is used, and heated to 400°C, causing the formation of $\ce{NiF{_4}}$, ...