问题
选择题
砷为第四周期第VA族元素，砷不可能具有的性质是
A．砷在通常
情况下是固体
B．砷可以有-3、+3、+5等多种化合价
C．AS2O5对应水化物的酸性比H3PO4弱
D．砷的非金属性比磷强
答案
答案：D
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砷为第四周期第VA族元素，砷不可能具有的性质是
A．砷在通常情况下是固体
B．砷可以有-3、+3、+5等多种化合价
C．AS2O5对应水化物的酸性比H3PO4弱
D．砷的非金属性比磷强
答案：D
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