what an electron
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electron An electron is a negatively charged subatomic particle. It can be either free (not attached to any atom), or bound to the nucleus of an atom. Electrons in atoms exist in spherical shells of various radii, representing energy levels. The larger the spherical shell, the higher the energy contained in the electron.
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Energy Levels A Hydrogen atom is an electron and proton bound by the electromagnetic force (an attractive force between oppositely charged particles). Because the electron is so much less massive than protons, early physicists visualized the electron as being like a tiny planet which orbited the proton which acted like a tiny sun.
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- Electron is a negatively (-) charged particle found in a atom. Unlike proton and neutron, electron is found in orbital shells of atom, but not in nucleus. Electron are very sm … all that is why they don't contribute to the atomic mass of a element. Electron are responsible for forming ions and take part in chemical reaction.
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Where Are Electrons Located in the Atom? Quick Answer. The nucleus of an atom is surrounded by particles called electrons. These electrons revolve around the nucleus in paths called orbitals, which vary in their complexity. Continue Reading.
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electron An electron is a negatively charged subatomic particle. It can be either free (not attached to any atom), or bound to the nucleus of an atom. Electrons in atoms exist in spherical shells of various radii, representing energy levels.
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List of Words for Letter âEâ 1 electron a particle in the space outside the nucleus of an atom that carries one unit of negative electric charge. 2  electron microscope a magnifying tool that uses electron beams instead of light to see small objects. electron a particle in the space outside the nucleus of an atom that carries one unit of negative electric charge. 2  electron microscope a magnifying tool that uses electron beams instead of light to see small objects.
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- The electron is a subatomic particle, symbol e − or β −, whose electric charge is negative one elementary charge. Electrons belong to the first generation of the lepton particle family, and are generally thought to be elementary particles because they have no known components or substructure.
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Atom Under ordinary conditions, electrons are bound to the positively charged nucleus by the attraction created from opposite electric charges. If an atom has more or fewer electrons than its atomic number, then it becomes respectively negatively or positively charged as a whole; a charged atom is called an ion.
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Glossary Unlike protons, electrons can move from atom to atom. If an atom has an equal number of protons and electrons, its net charge is 0. If it gains an extra electron, it becomes negatively charged and is known as an anion. If it loses an electron, it becomes positively charged and is known as a cation.
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Part a the atom consists of three types of subatomic .   The electron is a subatomic particle that carries a negative  electrical charge.    (The proton carries a positive charge, and the neutron carries no  charge. …) In the atom the electron is negatively charged.
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- 1 Electrons-Subatomic particle that has almost no weight and carries a negative charge; orbits in a shell about the nucleus of an atom. 2  Neutrons-Subatomic particle that has a weight of one atomic mass unit, carries no charge, and is found in the nucleus of an atom.
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Glossary of physics The electron is a subatomic particle, symbol. e−. or. β−. , with a negative elementary electric charge. Electrons belong to the first generation of the lepton particle family, and are generally thought to be elementary particles because they have no known components or substructure.
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The Discovery of the Electrons  [ edit] The Discovery of the Electrons [edit]. The Electron was discovered in 1896, by the British physicist J. J. Thomson, using a cathode rays while doing discharge tube experiments.
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Electron configuration Electron configuration. In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. For example, the electron configuration of the neon atom is 1s2 2s2 2p6.
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What is an Atom? Protons and neutrons are heavier than electrons and reside in the nucleus at the center of the atom. Electrons are extremely lightweight and exist in a cloud orbiting the nucleus. The electron cloud has a radius 10,000 times greater than the nucleus.
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E (disambiguation) Physics and engineering. e (or e−) or electron, a fundamental subatomic particle. e or elementary charge, the absolute value of the electric charge carried by a single electron. e or Coefficient of restitution (COR), a measure of the elasticity of a collision in mechanics.
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Ion An ion is an electrically charged atom or group of atoms. It is a part of an atom, or part of a group of atoms (molecule). It is  charged  so it will move near electricity. This is because atoms are made of three smaller parts (1) neutrons (with no charge), and equal numbers of (2) charged protons and (3) oppositely-charged electrons. An ion has unequal numbers of protons and electrons. Making an ion from an atom or molecule is called ionization. The charge on a proton is measured as +1 (positively charged), and the charge on an electron is measured as -1 (negatively charged).
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Proton Definition - Chemistry Glossary Proton Definition. A proton is a component of an atomic nucleus with a mass defined as 1 and a charge of +1. The nucleus of a hydrogen atom or the H+ ion is an example of a proton. Because opposite charges attract each other, protons and electrons are attracted.
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What Is An Electron Easily put, an electron is a subatomic particle that carries a negative electric charge. There are no known components, so it is believed to be an elementary particle(basic building block of the universe). The mass of an electron is 1/1836 of its proton. Electrons have an antiparticle called a positron.
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Charge It! Electrons are the negatively charged particles of atom. Together, all of the electrons of an atom create a negative charge that balances the positive charge of the protons in the atomic nucleus.
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Difference Between Proton and Electron There is more than one proton in all the other elements except hydrogen. Usually in neutral atoms, the number of negatively charged electrons and the number of positively charged protons are similar. Electron is shown by the symbol e and has a negative (-1) electrical charge.
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Atom The electrons in an atom are attracted to the protons in the nucleus by the electromagnetic force. This force binds the electrons inside an electrostatic potential well surrounding the smaller nucleus, which means that an external source of energy is needed for the electron to escape.
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Electron Configuration In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. For example, the electron configuration of the neon atom is 1s2 2s2 2p6. Electronic configurations describe electrons as each moving independently in an orbital, in an average field created by all other orbitals. Mathematically, configurations are described by Slater determinants or configuration state functions.
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Power System There are different ideas of what an electron is. One idea syas that an electron is part of an atom. Depending on the kind of atom, an atom can have 1 to 103 electrons. Each electron is extremely tiny. The mass (weight) of an electron is approximately equal to 1/1836 that of a hydrogen atom, which has one electron and one proton, so an electron is 1/1836th the size of a proton. Electrons carry a small electronically negative charge. In this model, electrons are in constant motion around the center of the atom.
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Electron configuration In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. For example, the electron configuration of the neon atom is 1s 2 2s 2 2p 6. Electronic configurations describe electrons as each moving independently in an orbital, in an average field created by all other orbitals. Mathematically, configurations are described by Slater determinants or configuration state functions.
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atom at·om. The smallest unit of an element, consisting of protons and neutrons in a dense central nucleus orbited by a number of electrons. In electrically neutral atoms, the number of protons equals the number of electrons.