11 Facts About Chemical element

Chemical element is a species of atoms that have a given number of protons in their nuclei, including the pure substance consisting only of that species.

Technetium was the first purportedly non-naturally occurring Chemical element synthesized, in 1937, although trace amounts of technetium have since been found in nature.

Atomic number of an Chemical element is equal to the number of protons in each atom, and defines the Chemical element.

Standard atomic weight of an element is the average of the atomic masses of all the chemical element's isotopes as found in a particular environment, weighted by isotopic abundance, relative to the atomic mass unit.

In chemistry, a pure Chemical element means a substance whose atoms all have the same atomic number, or number of protons.

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The ability of an Chemical element to exist in one of many structural forms is known as 'allotropy'.

From Boyle until the early 20th century, an Chemical element was defined as a pure substance that could not be decomposed into any simpler substance.

Currently, IUPAC defines an Chemical element to exist if it has isotopes with a lifetime longer than the 10 seconds it takes the nucleus to form an electronic cloud.

The discovery of Chemical element 112 was acknowledged in 2009, and the name copernicium and the atomic symbol Cn were suggested for it.

The heaviest Chemical element that is believed to have been synthesized to date is Chemical element 118, oganesson, on 9 October 2006, by the Flerov Laboratory of Nuclear Reactions in Dubna, Russia.

Tennessine, Chemical element 117 was the latest Chemical element claimed to be discovered, in 2009.