几种短周期元素的原子半径和主要化合价见下表,下列有关说法中,正确的是\(\rm{(}\) \(\rm{)}\)
元素代号 | \(\rm{X}\) | \(\rm{Y}\) | \(\rm{Z}\) | \(\rm{L}\) | \(\rm{M}\) | \(\rm{Q}\) |
原子半径\(\rm{/nm}\) | \(\rm{0.160}\) | \(\rm{0.143}\) | \(\rm{0.102}\) | \(\rm{0.099}\) | \(\rm{0.077}\) | \(\rm{0.074}\) |
主要化合价 | \(\rm{+2}\) | \(\rm{+3}\) | \(\rm{+6}\)、\(\rm{-2}\) | \(\rm{+7}\)、\(\rm{-1}\) | \(\rm{+4}\)、\(\rm{4}\) | \(\rm{-2}\) |