你可能感興趣的試題

A.質(zhì)量數(shù)少4，電荷數(shù)少2
B.質(zhì)量數(shù)少4，電荷數(shù)多2
C.質(zhì)量數(shù)少2，電荷數(shù)少2
D.質(zhì)量數(shù)少2，電荷數(shù)多2

A.原子核A的中子數(shù)比C的中子數(shù)多2
B.原子核A的質(zhì)子數(shù)比C的質(zhì)子數(shù)多5
C.原子核A的中性原子中的電子數(shù)比B的中性原子中的電子數(shù)少1
D.原子核C的質(zhì)子數(shù)比A的質(zhì)子數(shù)少1