Which of the following is/are true statement(s) regarding characteristic of hydrogen? I. Hydrogen resembles alkali metals due to the similar outer electronic configuration ns . II. Hydrogen resembles

Question

Which of the following is/are true statement(s) regarding characteristic of hydrogen? I. Hydrogen resembles alkali metals due to the similar outer electronic configuration ns . II. Hydrogen resembles halogens due to the similar outer electronic configuration ns np . III. Hydrogen is short by one electron to the corresponding noble gas configuration, helium 1s .

Prashant Kotian · Accepted Answer

Correct answer: B. Hydrogen resembles alkali metals due to the similar outer electronic configuration 1 ns . On the other hand, like halogens (with 2 5 ns np configuration belonging to the seventeenth group of the periodic table), it is short by one electron to the corresponding noble gas configuration, 2 1s helium.

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