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Introduction To ElectricityElectricity begins with the atom. To learn more about the atom, you might want to review the Chemistry information posted in previous articles. Lets take a look at the atom. The atom has 3 major parts. The proton, neutron and electron. The proton and neutron are in the center of the atom, and the electron races around the outer layers of the atom. The proton has a postive charge, which is often symbolized by the "+" sign. The neutron has no charge at all and is in the center of the atom with the proton. As stated before, the electron races in circles, around the proton and neutron. The electron carries a negative charge, and is symbolized by the "-" sign. Each of the three parts of the atom, the proton, neutron, and electron, are individually called subatomic particles. Electricity is energy formed by the flow of one of the subatomic particles, the electron.
These free electrons can go from one atom to another. Some materials, like metals, have atoms arranged very close together, and the free electrons flow easily around the atoms. Go To Page: 1 2
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