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Electrical charges

Electrical charges

All matter consists of atoms. Atoms contain three types of smaller particles: , and . Of these three, both the protons and electrons are .

Objects that are charged can affect other charged objects using the of .

Image of bohr atom model with two energy levels, black dot in centre is the nucleus, two electrons in the first energy level and one electron in the second energy level.
Figure caption,
Electrons orbit a nucleus

Generally, the atom has a neutral charge, but if it loses an electron, it becomes positively charged and if the atom gains an electron, it becomes negatively charged. Charged atoms are called ions.

Learn more on static charge in this podcast