periodic table

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periodic table

a systematic arrangement of the chemical elements. An earlier version was devised in 1869 by Dmitri Ivanovich Mendeleev (Russian chemist, 1834-1907). By arranging the elements in order of their atomic weights, he was able to show relationships, such as valency, that occurred at regular intervals and was able to predict the properties of elements still undiscovered in the nineteenth century.

per·i·od·ic ta·ble

(pēr'ē-od'ik tā'bĕl)
A graphic arrangement of chemical elements by atomic number and chemical properties.

periodic table

A chart with the chemical elements arranged by their atomic numbers.
See: periodic law
See also: table

periodic table,

n a pictorial representation of all chemical elements arranged by increasing order of atomic numbers. Periods and groups are the primary classifications found within the table.
References in periodicals archive ?
Isotopes and the Electron Configuration of the Blocks in the Periodic Table of Elements, upto the Last Element No.
Further checking for the possibility of creating similar functions for the other chemical elements manifested the fact that each element of the Periodic Table of Elements has its own hyperbola, which differs from the others according to the atomic mass of the element.
In the regular form of the Periodic Table of Elements, each cell of the Table bears a large information about the element, including the electron constitution of the atom.
It is known that elements of the Periodic Table of Elements have fractional numerical values of atomic masses.
Medeleevsystematized chemical knowledge of his day by drawing up the periodic table of elements.
In the theoretical deduction of the hyperbolic law of the Periodic Table of Elements [1], the main attention was focused onto the following subjects: the equilateral hyperbola with the central point at the coordinates (0; 0), its top, the real axis, and the line tangential to the normal of the hyperbola.
elements of the Periodic Table of Elements, in addition to the known physical chemical
At the same time, their second branches have not been investigated from the point of view of the hyperbolic law in the Periodic Table of Elements.
Thus rhodium provides an independent verification of the method of rectangular hyperbolas for the Periodic Table of elements of D.
The initiative makes use of 'essential2' as an homage to the traditional display of a chemical compound formula one would see on the periodic table of elements in any science classroom," said Michael Campbell, Chairman, President and CEO of Arch Chemicals and Chairman of the Board of Directors of ACC.

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