Определите с.о. элементов в соединениях
Б) HCL NH3 CH4 LIH PH3 NAH(Цифры снизу)
В) CAS AL2S3 K2S MGS LI2S(СНИЗУ)
Г)NACL ALCL3 ZNCL2 KCL(СНИЗУ)
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