原子和原子核
1、氢原子的能级结构。
原子在两个能级间跃迁时发射(或吸收光子):
hυ = E m - E n
2、核能:核反应过程中放出的能量。
质能方程: E = m C2 核反应释放核能:ΔE = Δm C2
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