Multiple choice

Which of the following statements is correct due to which hydrogen is placed in group 1 with metal?

  1. Because hydrogen is not ductile.

  2. Because hydrogen can't be polished.

  3. Because hydrogen forms positive ion.

  4. Because hydrogen is a bad conductor of electricity.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Hydrogen is placed in Group 1 because, like alkali metals, it has one valence electron and tends to lose it to form a positive ion (H+).

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