GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which one of the following is not an element of Noble gases?
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Xenon
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Hydrogen
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Helium
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Neon
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Explanation:
Detailed explanation-1: -Hydrogen is not a noble gas as it has one electron in its shell and it is not stable unlike noble gases which are having 2, 8, 8 electrons in their outer shell.
Detailed explanation-2: -Hydrogen is the most abundant chemical element in the universe, and has been used as an inert gas for a long time.
Detailed explanation-3: -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.
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