已知 X、Y、Z、W为短周期主族元素,在周期表中相对位置如图所示,下列说法正确的是 ( ) A.若 为强酸,则 X的氢化物溶于水一定显酸性( m 、 n 均为正整数 ) B.若四种元素均为非金属,则W的最高价氧化物对应的水化物一定为强酸 C. 若四种元素均为金属,则 Z的最高价氧化物对应的水化物一定为强碱 D.若四种元素中只有一种为金属,则Z与Y两者的最高价氧化物对应的水化物能反应
A.
B.
C.
D.
D
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