Electrone

                          Electrone

 
Definition.
Properties.
Creation.
Annihilation.



Definition.( What is electrone )
The electron (symbol: e⁻) is a subatomic particle with a negative elementary electric charge.

Properties.

• An electron has no known components or substructure.It is generally thought to be an elementary particle.

• An electron has a mass that is approximately 1/1836 that of the proton.

• The intrinsic angular momentum (spin) of the electron is a half-integer value in units of ħ, which means that it is a fermion. ( Since an electron is a fermion, no two electrons can occupy the same quantum state, in accordance with the Pauli exclusion principle. )

• The antiparticle of the electron is called the positron; it is identical to the electron except that it carries electrical and other charges of the opposite sign.

• When an electron collides with a positron, both particles may be totally annihilated, producing gamma ray photons.

• Like all matter, they have quantum mechanical properties of both particles and waves, so they can collide with other particles and can be diffracted like light.

• However, this duality is best demonstrated in experiments with electrons, due to their tiny mass.

• An electron in motion relative to an observer generates a magnetic field, and will be deflected by external magnetic fields.

• When an electron is accelerated, it can absorb or radiate energy in the form of photons.

• Electrons contribute less than 0.06% to an atom's total mass.

• The exchange or sharing of the electrons between two or more atoms is the main cause of chemical bonding.

Creation.
Electrons may be created through beta decay of radioactive isotopes and in high-energy collisions, for instance when cosmic rays enter the atmosphere.

Annihilation.
Electrons may be destroyed through annihilation with positrons, and may be absorbed during nucleosynthesis in stars.