atomic excitation

例句：

1. 1.The atomic structure of the element is determined by its electron configuration.
   元素的原子结构由其电子配置决定。
2. 2. Atomic excitation can lead to the formation of new compounds.
   原子激发可能导致新化合物的形成。
3. 3. During the process of radioactive decay, atoms are excited and then return to their ground state.
   放射性衰变过程中，原子被激发后返回基态。