Question

difference between nuclear fission and nuclear fusion in column

Answer 1

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What is the difference between nuclear fusion and nuclear fusion?

Nuclear fission is the breakup of an atom. In nature this is usually spontaneous, but in nuclear reactors it is almost always caused by the absorption of an extra neutron.

Nulcear fusion is the combination of two (or more, but almost always two) atoms to form a new atom.
Fusion is where you take to atoms and combine them together with enough heat to fuse them and create another atom + neutron + released energy.

Fission is where a neutron is fired at an unstable large atom nuclei to cause it to break down into two smaller nuclei and 2 - 3 more neutrons, also releasing energy.

At the moment, on earth, we use nuclear fission is nuclear power stations as it does not need a high temperature to overcome the repelling nature of the two positively charged nuclei in fusion.

Nuclear fission is splitting an atomic nucleus into smaller particles, including at least one new nucleus.

Nuclear fusion is forcing two atomic nuclei together to form one atomic nucleus.