Noble gases have completely filled orbitals. They generally have 8 valence electrons (helium has only 2) and have stable electronic configuration. Hence they are chemically inert and generally donot form compounds under normal conditions.
Some characteristics of noble gases are:
- the valence electron shell is completely filled
- the electronegativity is practically absent
- they are very unreactive and today only a limited number of compounds are known
- they exist in nature in a elemental form
- excepting argon they are rare and expensive gases
- the melting and the boiling points are very close
it consists of 5 electrons in their outer ayer, and most are solid at room temp.
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have 5 electrons on their outer shell(valence electrons)
there are 5 valence electrons in each. I should know. I'm a teacher
http://www.ask.com/wiki/Nitrogen_group
An interesting fact about noble gases is that they do not have any reactivity. Some of the noble gases include helium, argon and neon among others.
Noble gases: Ne (neon), Ar (argon), Kr (krypton), Xe (xenon), Rn (radon)
Another name for noble gases is inert gases.
Metals form cations by the complete transfer of electrons. Metalloids and some noble gases generally form covalent bonds
There are many gases that can be considered monatomic gases. Some of these gases are helium, neon, argon, krypton, xenon and radon and all of those gases are considered noble gases.
The Noble Gases. They have all of their electron spots filled in the ring that they are using. Making them stable.
Old textbooks usually gave the noble gases group 0., although some did call it group VIIIA.
An interesting fact about noble gases is that they do not have any reactivity. Some of the noble gases include helium, argon and neon among others.
Noble gases have completely filled orbitals. They generally have 8 valence electrons (helium has only 2) and have stable electronic configuration. Hence they are chemically inert and generally donot form compounds under normal conditions.
Noble gases are also known as, 1- inert gases 2- rare gases 3- monoatomic gases 4- zero group elements.
Neon, Argon, Krypton and Xenon.Added:Forgotten: Helium and Radon (first and last one of the six membered family)
Noble gases: Ne (neon), Ar (argon), Kr (krypton), Xe (xenon), Rn (radon)
The class of noble gases (Helium, Neon etc. in group 18) There are two groups that come to mind when talking stability: the noble gases and the coinage metals. The noble gases (He, Ne, Ar, Kr, Xe, and Rn) are very chemically stable and do not readily form compounds. Note that although Radon is chemically stable, it's not stable from a nuclear standpoint and will decay (but it is not reactive in the chemical sense). The coinage metals (such as gold, silver, and copper) are very unreactive. Note that the further an element is from Au on the periodic table, the more reactive it is (obviously the Noble gases do not follow this trend).
Another name for noble gases is inert gases.
Metals form cations by the complete transfer of electrons. Metalloids and some noble gases generally form covalent bonds
It's called "nukalium family"
It is not true to say that any family does not have electronegativity values. It is tempting to say the inert gases, group 18, but we have a value for the electronegativity of xenon, 2.6 on the Pauling scale. Some of the other members of the group form compounds, though they are difficult or impossible to isolate, and their electronegativities have therefore not been measured. Whether they can thus be said to have electronegativity values or not is a moot point.