Oliver Goldsmith's The Vicar of Wakefield conveys his reflections on the relations between sentimentalism and ( ) in the 18th-century English literature.
【简答题】下表是元素周期表中短周期元素的一部分,表中所列字母分别代表一种元素. A B D E F C G H (1)上述元素的单质中熔点最高的可能是______(填名称). (2)D的氢化物比G的氢化物稳定,其原因是______的缘故. (3)在一定条件下,A与E可形成一种极易溶于水的气态化合物,其电子式为______;该物质溶于水后的溶液呈______性(填“酸”、“碱”或“中”). (4)元素C在元素...