За счет общей электронной пары химическая связь образована в соединениях: 1) P4, F2, HNO3 3) H2S, NH3, MgO 5) H2O2, PH3, Cu 2) K2O, I2, H2SO4 4) H2O, N2, CO2 6) CH4, Al2O3, NaCl А 3, 6 Б 1, 4 В 1, 2, 4 Г 1, 2, 5
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