Question

Give reasons for the following :-
a) Li and Na are considered as active metals
b)Flourine is more reactive than chlorine

Answer 1

1.The Li and Na have belongs to s-block of group 1 of periodic table. Their sizes are bigger and can loose electrons easily making these elements highly reactive.
2.F is electronegative elements, smaller in size, have high charge density. These factors make it more reactive.