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Hydrogen accepts an electron to form inert gas configuration. In this it resembles

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By Expert Faculty of Sri Chaitanya
a
Halogen
b
Alkali metals
c
Chalcogens
d
Alkaline earth metals

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detailed solution

Correct option is A

H1s1   +   e-    →     H-1s2 or He2 FHe2 2s2 2p5   +  e-    →     F-He22s2 2p6 or  Ne10


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The number of proton and electron in atomic form of hydrogen respectively are

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