Question

Group 17 elements are strong nonmetals, while group 1 elements are strong metal. explain.

Answer 1

17 group element are not string whilw group 1 elements strong metal

Answer 2

i n modern periodic table....... the arrange ments....of.. element s. are in atomic number... wise.....so in this way......some metals arrange in group wise...in like group1......& some are....another's..groups...