![]() These electronic shells decide the atom's electron configuration. The electron shells also have one or more subshells. The electrons of the atom get accommodated in these shells. ![]() The electric charge of electrons is known to be -1, and their average mass is approximately about 1 / 2000 of the mass of a neutron or proton.Ī number of shells surround the nucleus of an atom. This above image depicts the atomic structure of a particle. If an atom consists of a more or fewer number of electrons than protons, then the atom is either negatively or positively charged. If the number of electrons is equal to the number of protons, then the atom is charged neutrally. The electrons are attracted towards the protons in the nucleus of the atom. Protons are positively charged, and neutrons are charged neutrally. An atom also comprises neutrons and protons. One cannot predict their behavior because of their size. The mass of an electron which is at rest is approximately 9.11 x 10 -31 Kilogram (kg) and represented by ‘me', and the charge is calculated to be 1.602 x 10 -19 coulombs symbolized as ‘e’.Ītoms are the smallest component of an element, and their sizes are around 100 picometers. Instead of this, they are measured by the standard unit of quantity of electrical charge and represented by coulomb(C). The amount of electrical charge present in a particle cannot be calculated by examining each electron as they are minimal in size and are hard to get examined. British physicist J.J Thompson and his team were finally successful in discovering and identifying 'electron' as a particle in the year 1897. The charged particles were suggested to be named as 'electron' by an Irish physicist G. Richard Laming was the first person to discuss the existence of charged particles. The charge of an electron is always equal to the charge of the proton hole, but only if they both have a negative sign. The charge present in each electron is known as a unit electrical charge. Electrons are considered to be the primary elements of current. Apart from every other particle, electrons seem to get found in every atom present. ![]() An electron is a type of subatomic particle that is electrically negative in charge.
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