List of all Synthetic Elements till 2022

What are Synthetic Elements (man-made)?

Synthetic elements are unstable Chemical elements and are not naturally found on the earth. These elements are synthesized (made)in the laboratory. They are unstable and radioactive in nature, which means they emit radiation and decay into other elements. Their discovery helped fill the periodic table’s empty gaps, and they were later produced for research purposes.

Synthetic elements were first discovered in 1937. These elements are produced by the process of nuclear fusion. Nuclear reactors or particle accelerators are used to produce these elements. In particle accelerators, particles of two elements are made to collide with each other at a very high speed. The first transuranium element, neptunium, was formed by this process. It took 20 years for scientists to produce the elements from plutonium to lawrencium.

IUPAC (International Union of Pure and Applied Chemistry), has named almost all the synthetic elements. While some are named after the place where they were discovered (americium and californium ), most of these elements are named after the scientist who discovered them (einsteinium, curium, mendelevium, etc). For naming any element, its existence must be proved by its discoverer

There are 118 elements in the periodic table, out of which 89 are natural elements and the remaining are synthetic elements. Technetium (atomic number 43) was the first synthetic element discovered, that filled the mysterious gap between the elements, Molybdenum (atomic weight 42) and Ruthenium (atomic weight 44) in the periodic table. Promethium (atomic number 61), Astatine (atomic number 85), Francium (atomic number 87), and transuranium elements constitute the synthetic elements. Transuranium elements are those elements whose atomic number is greater than Uranium (atomic weight 92). Here I have listed all the synthetic elements with their Atomic no., Atomic mass, Form, and Invented year.

List of all Synthetic Elements till 2022

1.43.TCTechnetium98All states1937
2.61.PMPromethium145All states1945
6.89.ACActinium227All states1902
7.91PAProtactinium231All states1913
8.93.NPNeptunium237All states1940
10.95.AMAmericium243All states1944
11.96.CMCurium247All states1944
12.97.BKBerkelium247All states1949
13.98.CFCalifornium251All states1950
14.99.ESEinsteinium252All states1952
15.100.FMFermium257All states1952
16.101.MDMendelevium285All states1955
17.102.NONobelium259All states1966
18.103.LRLawrencium262All states1961
20.105.DBDubnium262All states1970
21.106.SGSeaborgium263All states1974
22.107.BHNielsbohrium262All states1981
24.109.MTMeitnerium266All states1982
25.110.DSDarmstadtium281All states1994
26.111.RGRontgenium272All states1994

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