Ответ:

pcl4, pcl5 ,pbr3

ch4, sih4, nh3, h2o, h2s, h2se

HF, HCl, hbr, hi, cl2o, cl2o4.

n2o, no, n2o3, n2o4, p2o5.

co, co2, sio2, s2o5, so3

2.

cu(oh)2. fe(oh)2 fe(oh)3 zn(oh)2, pb(oh)2, cr(oh)3