This is an early example of electrostatics. The English word, electron , is derived from the Greek work for amber. This is an early example of magnetism.
Electric charge is an intrinsic property of the fundamental particles that make up matter.
This is because they normally have equal numbers of positively charged protons in the nucleus and negatively charged electrons surrounding the nucleus. Only the net charge matters. Electrons are responsible for many of the properties of electromagnetism since they may be made free to move. Non-conductors or Insulators are materials in which the electrons are more tightly bound to the atoms and generally are not free to move. The electric force between two charges is proportional to the product of the charges.