描述: 核裂变是重元素的原子核分裂成两个较轻原子核的过程。剩余物质的质量小于原始原子核的质量，而减少的质量则以能量的形式释放出来。

核裂变产生的两个较轻原子核本身通常具有放射性，可通过放射性衰变释放更多能量。

相关词条

• 核聚变
• 原子核

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