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Какова валентность азота, фосфора, хлора, кремния, серы в соединениях с водородом
Ответы 1
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1) NH3; валентность азота- |||2) PH3; валентность фосфора - |||3) HCl; валентность хлора - |4) SiH2; валентность кремния - ||5) H2S; валентность серы - ||
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Автор:
janessao3fi - 5 лет назад
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