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The periodic table is a tabular display of the chemical elements, organised on the basis of their properties. Elements are presented in increasing atomic number. The main body of the table is a 18 × 7 grid, with gaps included in to keep elements with similar properties together, such as the halogens and the noble gases. These gaps form four distinct rectangular areas or blocks.
The organization of the periodic table can be used to derive relationships between the various element properties, but also the predicted chemical properties and behaviours of undiscovered or newly synthesized elements. Russian chemist Dmitri Mendeleev was the first to publish a recognizable periodic table in 1869, developed mainly to illustrate periodic trends of the then-known elements. He also predicted some properties of unidentified elements that were expected to fill gaps within the table. Most of his forecasts proved to be correct. Mendeleev's idea has been slowly expanded and refined with the discovery or synthesis of further new elements and the development of new theoretical models to explain chemical behaviour. The modern periodic table now provides a useful framework for analyzing chemical reactions, and continues to be widely used in chemistry, nuclear physics and other sciences.
All elements from atomic numbers 1 (hydrogen) to 118 (oganesson) have been discovered or synthesized, with the most recent additions (nihonium, moscovium, tennessine, and oganesson) being confirmed by the International Union of Pure and Applied Chemistry (IUPAC) in 2015 and officially named in 2016: they complete the first seven rows of the periodic table.
The first 94 elements exist naturally, although some are found only in trace amounts and were synthesized in laboratories before being found in nature.
Atomic properties such as electromagnetically and oxidation states...
Physical properties such as boiling and melting points, heat of vaporization...
Basic info for the elements such as discovery year, and whom it's discovered by...
A brief description of the element
An animated electron shell presentation
Continuous addition of new application information elements
More information about the additional elements
Conductivity
Electric type
Magnetic type
Bulk magnetic susceptibility
Specific magnetic susceptibility
Temperature Superconductivity
Color of the item
Density
Refractive Index
Coefficient of thermal conductivity
Electronegativity
Valence
Radioactivity
Half life
Molar volume
periodic table of elements
the periodic table
periodic table chart
modern periodic table
table of elements
periodic chart of elements
chemistry table
periodic table with names
periodic table for kids
mandaliof table
atomic table
p table
printable periodic table
periodic chart
periodic table table
scientific table
elementary table
colored periodic table
Group and Period
Element category
Atomic weight
Electron configuration
Electron per shell
