Hydrogen resembles halogens in many respects | vedclass

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(B) Hydrogen resembles halogens because both have a similar tendency to gain a single electron to attain a stable noble gas configuration.The electron

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Its tendency to gain a single electron in its valence shell to attain stable electronic configuration

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(B) Hydrogen resembles halogens because both have a similar tendency to gain a single electron to attain a stable noble gas configuration.The electronic configuration of hydrogen is $1s^{1}$. It requires one more electron to achieve the stable electronic configuration of helium,which is a noble gas.Similarly,the valence shell electronic configuration of halogens is $ns^{2}np^{5}$. They also require one more electron to attain the stable electronic configuration of the nearest noble gas.

Hydrogen resembles halogens in many respects for which several factors are responsible. Of the following factors,which one is most important in this respect?

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