不带有电荷的粒子是A.中子B.α粒子C.β粒子D.β粒子E.质子

作者: rantiku 人气: - 评论: 0
问题 不带有电荷的粒子是
选项 A.中子 B.α粒子 C.β粒子 D.β粒子 E.质子
答案 A
解析 :中子是电中性的,不带电。

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