你可能感興趣的試題

A.質(zhì)子數(shù)和中子數(shù)都為偶數(shù)
B.質(zhì)子數(shù)和中子數(shù)為一奇一偶
C.質(zhì)子數(shù)和中子數(shù)都為奇數(shù)
D.以上都不對

A.質(zhì)子數(shù)和中子數(shù)都為偶數(shù)
B.質(zhì)子數(shù)和中子數(shù)為一奇一偶
C.質(zhì)子數(shù)和中子數(shù)都為奇數(shù)
D.以上都不對