which noble gas has the highest boiling point why kr xe rn?
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Among the given noble gases Xenon has the highest boiling point. These elements belong to group 18 of the periodic table thus they are more stable...
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The noble gases (helium, neon, argon, krypton, xenon, and radon) are also gases at STP, but they are monatomic. The homonuclear diatomic gases and noble gases together are called "elemental gases" or "molecular gases", to distinguish them from other gases that are chemical compounds.
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Ionization energies for all the noble gases are large, but they get LARGER as you go “up” the noble gas column, until you arrive at helium— the MOST unreactive of the unreactive noble gases. TL;DR: Helium.
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The noble gases are the chemical elements in group 18 of the periodic table. They are the most stable due to having the maximum number of valence electrons their outer shell can hold.
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Noble gas compound. Noble gas compounds are chemical compounds that include an element from the noble gases, group 18 of the periodic table. Although the noble gases are generally unreactive elements, many such compounds have been observed, particularly involving the element xenon.
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Noble gas, any of the seven chemical elements that make up Group 18 (VIIIa) of the periodic table. The elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og).
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Noble gases have highly stable fully filled electronic configuration which makes removal of electron extremely difficult. This accounts for the high ionisation enthalpy of noble gases.
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Chemical Properties of Noble Gases Noble gases are the least reactive of all known elements. That's because with eight valence electrons, their outer energy levels are full. ... As a result, noble gases cannot become more stable by reacting with other elements and gaining or losing valence electrons.
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Octet Rule. The noble gases are unreactive because of their electron configurations. The noble gas neon has the electron configuration of 1 s 2 2 s 2 2 p 6 . It has a full outer shell and cannot incorporate any more electrons into the valence shell.
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Since Kr or Krypton is a noble gas, it has a full valence shell or octet of 8 electrons.
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The science. The noble gases, in order of their density, are helium, neon, argon, krypton, xenon and radon. They are called noble gases because they are so majestic that, in general, they don't react with anything. For this reason they are also known as inert gases.
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Noble Gases They are helium, neon, argon, krypton, xenon, and radon. They were once called inert gases because they were thought to be completely inert—unable to form compounds. This is a reasonable belief because the noble gases have a complete octet, making them very stable and unlikely to gain or lose any electrons.
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The mysterious case of the missing noble gas. Xenon has almost vanished from Earth's atmosphere.
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Because noble gases' outer shells are full, they are extremely stable, tending not to form chemical bonds and having a small tendency to gain or lose electrons. ... Overall, noble gases have weak interatomic forces, and therefore very low boiling and melting points compared with elements of other groups.
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Which noble gas has the highest boiling point? Ar has the highest boiling point because it has the highest molar mass. Because the noble gases are all similar in other ways, you would expect Ar to have the greatest dispersion forces and therefore the highest boiling point (and in fact it does).
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Xenon (Xe), chemical element, a heavy and extremely rare gas of Group 18 (noble gases) of the periodic table. It was the first noble gas found to form true chemical compounds. More than 4.5 times heavier than air, xenon is colourless, odourless, and tasteless.
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Noble gas. The noble gases are the chemical elements in group 18 of the periodic table. They are the most stable due to having the maximum number of valence electrons their outer shell can hold. Therefore, they rarely react with other elements since they are already stable.