Question

9.1
Justify the position of hydrogen in the periodic table on the basis of its electro
configuration.​

Answer 1

Answer:

Hydrogen is the first element of the periodic table & often called protium. Its electronic configuration is [1s1]. Due to the presence of only one electron in its 1s shell, hydrogen exhibits a dual behaviour, i.e., it resembles both alkali metals and halogens.

Answer 2

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