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 ?
In his hands, Willem Wijnbergen clutches an oversize, color-coded chart that looks like the Periodic Table of Elements, only with the words ``Haydn,'' ``Beethoven'' and ``Bartok'' substituting for ``Hydrogen,'' ``Zinc'' and ``Potassium.
The characters are children and superhero personifications from the Periodic Table of Elements.
Appendices include amino acid charts, the Periodic Table of Elements, and Web resources.
It also explains the order of the periodic table of elements, the pressure that stops neutron stars from collapsing, and countless other phenomena, says Brian DeMarco of JILA, a joint institute of the National Institute of Standards and Technology (NIST) and the University of Colorado, both in Boulder.
A child can learn about everything from furry friends to the periodic table of elements here,'' Adlof said.
I've already received calls from leading chemists who are concerned about the implications on the periodic table of elements, particularly H (Hydrogen) and He (Helium).
It was found that each element of the Periodic Table of Elements has its own hyperbola in the graph "molecular mass--content of the element".
Appendices contain tables, a mathematics review, the periodic table of elements, SI units, a Nobel prize winners.
The not-yet-confirmed findings may spark even more element discoveries this year, several researchers say, that may spill from the heavy end of the periodic table of elements like fruit from a cornucopia.
To make the further text simpler, we assume the following brief notations: the Periodic Table of Elements containing 118, 168, and 218 elements will be referred to as T.
Chemists, physicists, and historians of science gathered in Alberta in July 2003 to discuss the periodic table of elements, which has stood as a visual representation of chemistry since 1862.