原子核

yuánzǐhé

noun #35,335

Meanings

HSK 7-9

原子核由质子和中子组成。

Yuánzǐhé yóu zhìzǐ hé zhōngzǐ zǔchéng.

The atomic nucleus is made up of protons and neutrons.

HSK 7-9

核反应实际上是原子核的变化。

Héfǎnyìng shíjìshàng shì yuánzǐhé de biànhuà.

Nuclear reactions are actually changes in the atomic nucleus.

memory

Just stack the parts: 原子 (atom) + 核 (core/kernel) = 'atom-core'. The same 核 appears in 核能 (nuclear energy), 核武器 (nuclear weapon) and 桃核 (peach pit).

原 yuán

子 zǐ

核 hé