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tmahfan117 t1_iy634s6 wrote

An H-Bomb is a kind of Atomic bomb.

Broadly there are two kinds of atomic bombs. Fission bombs, and Fusion bombs.

The first kind, Fission Bombs, were the first ones made of Uranium and Plutonium, the kind that were dropped on Japan during WW2. This work by splitting very large, heavy, radioactive atoms like Uranium and Plutonium. In a chain reaction.

The second kind are Fusion Bombs, these work the same way the Sun does, by fusing Hydrogen atoms together into Helium. Which to get to the pressures needed to do that it actually first explodes a fission bomb “around” the fusion bomb to compress that core and force fusion to happen.

H-Bombs are “Hydrogen Bombs”, so bombs that fuse hydrogen together, making them the second kind, Fusion Bombs.

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Any-Growth8158 t1_iy9lw2l wrote

To be pedantic there are fission bombs and fission/fusion bombs. There are no pure fusion bombs that are known to the public. Depending upon the design, the ratio of fission to fusion energy can vary quite widely.

EDIT:

And they typically use lithium as the fusion fuel. Hydrogen (deutrium or tritium) are more likely used as proposed fuels for commercial fusion energy production

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