関連ワード:
why does be have a positive electron affinity why does nitrogen have a positive electron affinity why does beryllium have a positive electron affinity why does zinc have a positive electron affinity why does mg have a positive electron affinity why does ar have a positive electron affinity why does mn have a positive electron affinity why does be atom have positive electron affinity why do noble gases have a positive electron affinity why do some elements have a positive electron affinity
