下列原子发生 Paschen-Back 效应所需磁场最小的是： Ranking
锂
Votes: 29 Proportion: 47.54%
钠
Votes: 24 Proportion: 39.34%
铷
Votes: 8 Proportion: 13.11%
钾
Votes: 0 Proportion: 0.00%
锂
Votes: 29 Proportion: 47.54%
钠
Votes: 24 Proportion: 39.34%
铷
Votes: 8 Proportion: 13.11%
钾
Votes: 0 Proportion: 0.00%
