Rubber is a good insulator because it prevents electrons from moving through it easily and gaining energy, which causes an electrical charge. Electrons are transferred to rubber, but they cannot move fast enough to gain the energy they need to disperse an electrical charge.Continue Reading
Because rubber is a good insulator, it is used on the outside of wires that are used to conduct electricity. An insulator is a material that reduces or stops the flow of an electrical current. Rubber provides protection from the dangers of electrical charges being carried through the metal conductors.
In rubber, the electrons are tightly bound within the material, which means that they are not free to be shared by neighboring atoms. The properties of rubber allow the electrons to slow down. In some cases rubber can completely prevent electrons from moving.
Electrical cords are a good example of rubber being used as an insulator. If a cord is frayed and has damaged the outer rubber lining, the rubber will not be an effective insulator. If the conductors (wires) are exposed, it is necessary to replace the cord.
Keeping electricity bound within the material is the primary goal of an insulator, and because of this, rubber is a very good choice.Learn more about Chemistry
When heated or exposed to electricity, the electrons in atoms of a given element gain energy and move to a higher energy level or orbit; they do not maintain this position but re-emit the energy as light of a specific wavelength, generating color. For elements in a solid or liquid state, this light generally appears as a rainbow while elements in a gaseous state reveal their atomic emission spectra, the specific bands of color produced by that elements particular electron configuration.Full Answer >
The octet rule states that atoms tend to form compounds because they need eight electrons in their outermost energy levels to achieve stability. These electrons in the outermost energy levels are called valence electrons, and they play important roles in the likelihood of atoms forming compounds.Full Answer >
The reactivity of a metal is determined by how tightly the metal holds onto the electrons in its outermost energy level. These electrons are called valence electrons. Metals usually have fewer valence electrons than nonmetals.Full Answer >
Rubber has the chemical formula C5H8. It is made primarily of hydrogen and carbon. Rubber regains its original shape after being stretched, and it resists damage from weather.Full Answer >