Question

What do you think? Should Hydrogen be placed in the group 17 of halogens or group1 of alkali metals in the modern periodic table??

Answer 1

Well, the thing is that, hydrogen is a halogen and has valency like first group.
So, you can't really tell in which group hydrogen is to be placed. This is also a drawback of the modern periodic table, but no one had been able to prove about the position of hydrogen. Hence, we have to go on with the way it is.

Hope it helps you.

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Answer 2

Answer:

I think hydrogen should be placed in alkali metal group.

Explanation:

1. Hydrogen's atomic number is 1,hence there is only 1 electron in outermost shell. So to be stable Hydrogen loses its electron and makes 1 positive charge.Therefore, instead keeping Hydrogen in group of halogens it should be in group 1st that is alkali metals group.