4、______,铵根离子中的化学键类型是________________________,立体构型是________________。氮原子的杂化方式是________________。4.AgCl+2NH3·H2O===______________________。5.AgNO3+NH3·H2O===________________,AgOH+2NH3·H2O===________________________________________。1.下列物质:①H3O+ ②[B(OH)4]- ③