3 sentences for 电子 (diàn​zǐ — electron)

1. 电子在原子轨道中运动。

   diàn​zǐ zài yuán​zǐ guǐ​dào zhōng yùn​dòng.

   Electrons move within atomic orbitals.

   Source: Dong Chinese Dictionary

2. 原子由原子核和电子组成。

   yuán​zǐ yóu yuán​zǐ​hé hé diàn​zǐ zǔ​chéng.

   Atoms are composed of a nucleus and electrons.

   Source: Dong Chinese Dictionary

3. 电子被激发到了更高的能级。

   diàn​zǐ bèi jī​fā dào le gèng gāo de néng​jí.

   Electrons were excited to a higher energy level.

   Source: Dong Chinese Dictionary