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In nuclear fission, the atom is split into pieces. This reaction can be turned into energy because of loss of mass. The heat from the reaction can make steam and that spins turbines which make electricity.
In nuclear fusion, small atoms bond together and those combine to make a stable atom. This can reduce potential energy and stop fission.
An alpha particle has two protons and two nuetrons. It has a charge of +2. In alpha decay the mass number goes up by 4 and the atomic number goes up by 2.
In beta decay the mass number stays the same but the atomic number changes -1. The beta particle has a charge of -1.
When an element goes through radioactive decay, it emits gamma rays. When the mass or atomic number changes in a reaction, gamma rays are not there. Nuclear equations can be written to demonstrate the change from an exited element to a stable element.
Chemical
Reaction
Nuclear Reaction.
This reaction will take much longer. Because uranium has so much energy that the half life is 4.5 billion years.
This chemical reaction is making water, and it happens instantly. Water does not have as much energy as gamma.