Question

Give the general group characteristics apply to hydrogen with respective similarity in properties of Hydrogen with:

i) alkali metals of group 1
ii) halogens of group 17

with special reference to valency Electrons and ion formation

Answer 1

i) it has atomic no. as 1 and can loose one electron
ii) it can gain 1 electron to fill it's outermost shell

Answer 2

Answer:

hydrogen looses one electron and become electropositive like alkali metals and hydrogen gains one electron and become electronegative like halogens