Question

What do you think should hydrogen be placed in group 17 of halogens are group 1 of alkali metals in the modern periodic table?

Answer 1

Answer:

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.

Explanation: