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Which of the following is not an inert gas?
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Hydrogen is not an inert gas as it does not possess fully filled valence shell electrons.
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Which of the following gas is the densest of all?
Properties of the elements are given below.Where would you locate the following elements in the Periodic Table?
A) A soft metal stored under kerosene.
b) An element with variable (more than one)valency stored under water.
c) An element which is tetravalent and forms the basis of organic chemistry.
d) An element which is an inert gas with atomic number 2.
e) An element whose thin oxide layer is used to make other elements corrosion resistant by the process of "anodising".
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