GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Metals
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Non-metals
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Noble gases
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Halogens
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Detailed explanation-1: -Group 8A (or VIIIA) of the periodic table are the noble gases or inert gases: helium (He), neon (Ne), argon (Ar), krypton (Kr ), xenon (Xe), and radon (Rn). The name comes from the fact that these elements are virtually unreactive towards other elements or compounds.
Detailed explanation-2: -Noble gases or inert gases (Helium, Neon, Argon, Krypton, Xenon and Radon), are relatively non-reactive as they have little tendency to gain or lose electrons. When excited with an electric current, all noble gases emit light.
Detailed explanation-3: -The elements placed in group 18 have completely filled valence shells due to which they are non-reactive and called inert gases.
Detailed explanation-4: -An inert gas is a gas that does not readily undergo chemical reactions with other chemical substances and therefore does not readily form chemical compounds.