The metals of the periodic table include all the elements in groups one through three except hydrogen, as well as some other elements from the lower right-hand regions of the table. The nonmetals, on the other hand, include all the elements in groups seven and eight, as well as some oth...
As one moves from left to right down the period table, the number of electrons within an atom's outer orbital increases accordingly. Aside from the noble gases, which have a stable octet in their outer-most orbitals, electron affinity increases from left to right.Answer and Explanation: Metals...