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A full octet makes the noble gases nonreactive.
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Co is cobalt and is not a noble gas. Cobalt is a transition metal. Its electron configuration is [Ar]3d74s2.
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less reactive
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Noble gases have completely filled orbitals / energy levels. They generally have 8 valence electrons (helium has only 2 valence electrons) and have stable electronic configuration. Hence they are chemically inert and generally donot form compounds under normal conditions.
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Mind has influence of food we eat and therefore for pure mind foood should be complete violence free. Vegetable is also has life .we shuold eat non-violence food.pure mind is pure soul and pure soul hhas Moksh only.
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http://encarta.msn.com/encyclopedia_761562418/Helium.html
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The bipositive ion of strontium takes the electron configuration of xenon.
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Strontium can have a full electron shell noble gas state if it loses two of it's electrons.
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Neon is made in factorys by putting together a form of carbon dioxide and water with colouring. i know this sounds weird but its true!
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No Such ... all atoms have an electron configuration, yet Ca++ is not a noble gas.
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The noble gas notation for Iron (Fe) is [Ar]4s2 3d6.
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Helium is lighter than air (which means it can be used to make stuff float, like balloons) and a noble gas (which means that it won't react with other elements). Both of these qualities make helium very useful.
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Silicon has 4 valence electrons. No noble gases will have 4 valence electrons.
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Calcium has 20 electrons
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Noble gases have low boiling and melting points because they have very weak inter-atomic attractions or forces. The motions of the atoms of the noble gases must be slowed down before the weak London dispersion forces can lock the atoms into place to form a solid.
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Argon and Helium are part of the noble gasses family.
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Noble gases have numerous important applications in lighting, welding and space technology
A certain amount of them is present in the atmosphere. Another important source is natural gas deposits, which usually have a certain amount of helium mixed in.
Group 18 on the periodic table, or the last group on the right
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Yes it is. Helium will be liquid below -268.93 °C
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Helium has only two electrons with one ring (or energy level). Both the electrons are in the one and only energy level / shell / ring.