An analysis of the electron in chemistry and nuclear physics

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An analysis of the electron in chemistry and nuclear physics

Some reminders An element consist of one type of atom only. Therefore, elements are the simplest substances that we can use and investigate in chemistry because an element cannot be split into other substances unlike compounds.

Each element has identical atoms except for isotopes, different numbers of neutrons - explained later which are physically and chemically identical and each element has its own unique physical and chemical properties.

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Ever element has its own unique chemical symbol which is used to denote elements in the periodic table, in chemical formulae and chemical equations e. The symbol is a single capital letter upper case e.

Cu, Fe, Cl, Br, Li etc. However, why do we have different elements? Is an atom the simplest particle we need to know about to understand chemistry? In order to answer these questions we must look a bit deeper into the fundamental structure of matter, that is everything around you!

Atoms are the smallest particles of matter whose properties we study in Chemistry.

Organic Chemistry

Every element or compound is comprised of atoms. Each element has its own chemical symbol carbon C, oxygen O, sodium Na etc.

An analysis of the electron in chemistry and nuclear physics

All of this will be explained in detail below Initially, once the concept of an atom was established, it was assumed that atoms were indestructible and not divisible into smaller particles, but merely combined in different proportions to give the range of compounds we know about e.

However from experiments done in the late 19th and early 20th century it was deduced that atoms are made up of three fundamental or sub—atomic particles called protons, neutrons and electrons, which are listed below with their relative masses and electrical charges.

The three fundamental particles of which atoms are composed The table gives the relative mass and electric charge of the three sub—atomic particles known as the proton, neutron and electron Sub—atomic particle.The electron is a subatomic particle, symbol e − or β −, whose electric charge is negative one elementary charge.

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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.

The electron has a mass that is approximately 1/ .

An analysis of the electron in chemistry and nuclear physics

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Analytical chemistry studies and uses instruments and methods used to separate, identify, and quantify matter. In practice, separation, identification or quantification may constitute the entire analysis or be combined with another method. 11% Efficient Perovskite Solar Cell Based on ZnO Nanorods: An Effective Charge Collection System.

NMR. NMR PERIODIC TABLE - Mark J. Winter, Department of Chemistry, University of Sheffield, South Yorkshire, England, U.K. Multimedia NMR Periodic Table Database (Text & Images). For more information see Web Elements; Department of Chemistry or the University of Sheffield Nuclear Structure, Decay & Isotopes.

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