chemical entity > molecular entity > main group molecular entity > gas molecular entity > ammonia

... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > hydrides > mononuclear parent hydride > ammonia

... > chemical entity > molecular entity > main group molecular entity > s-block molecular entity > hydrogen molecular entity > hydrides > mononuclear parent hydride > ammonia

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > pnictogen molecular entity > nitrogen molecular entity > nitrogen hydride > azane > ammonia

... > chemical entity > molecular entity > inorganic molecular entity > inorganic hydride > pnictogen hydride > nitrogen hydride > azane > ammonia

... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > hydrides > inorganic hydride > pnictogen hydride > nitrogen hydride > azane > ammonia

... > chemical entity > molecular entity > main group molecular entity > s-block molecular entity > hydrogen molecular entity > hydrides > inorganic hydride > pnictogen hydride > nitrogen hydride > azane > ammonia

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > pnictogen molecular entity > pnictogen hydride > nitrogen hydride > azane > ammonia