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The discoveries of the 118
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pos:(10,110) text:" Au: 40000 BC"
pos:(10,100) text:" C: 26000 BC"
pos:(10,90) text:" Cu: 9000 BC"
pos:(10,80) text:" Pb: 7000 BC"
pos:(10,70) text:" Ag,"
pos:(28,70) text:" Fe: by 5000 BC"
pos:(110,110) text:" Sn: 3500 BC"
pos:(110,100) text:" Sb: 3000 BC"
pos:(110,90) text:" S: by 2000 BC"
pos:(110,80) text:" Hg: 1500 BC"
pos:(110,70) text:" Zn: by 1000 BC"
pos:(200,110) text:" Pt: c. 600 BC–AD 200"
# pos:(200,110) text:" Au: 6000 BC"
pos:(200,100) text:" As: c. AD 300"
pos:(200,90) text:" Bi: c. 1500"
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History of the Origin of the Chemical Elements and Their Discoverers
Last updated by Boris Pritychenko on 30 March 2004
Discovery of the Elements – The Movie – YouTube
(1:18)
The History Of Metals Timeline
. A timeline showing the discovery of metals and the development of metallurgy. *—Eric Scerri, 2007, ''The periodic table: Its story and its significance,'' Oxford University Press, New York, {{History of chemistry Elements, discoveries
chemical element
A chemical element is a chemical substance whose atoms all have the same number of protons. The number of protons is called the atomic number of that element. For example, oxygen has an atomic number of 8: each oxygen atom has 8 protons in its ...
s known to exist as of 2025 are presented here in chronological order. The elements are listed generally in the order in which each was first defined as the pure element, as the exact date of discovery of most elements cannot be accurately determined. There are plans to synthesize more elements, and it is not known how many elements are possible.
Each element's name
A name is a term used for identification by an external observer. They can identify a class or category of things, or a single thing, either uniquely, or within a given context. The entity identified by a name is called its referent. A person ...
, atomic number
The atomic number or nuclear charge number (symbol ''Z'') of a chemical element is the charge number of its atomic nucleus. For ordinary nuclei composed of protons and neutrons, this is equal to the proton number (''n''p) or the number of pro ...
, year of first report, name of the discoverer, and notes related to the discovery are listed.
Periodic table of elements
Graphical timeline
Cumulative diagram
Pre-modern and early modern discoveries
Modern discoveries
For 18th-century discoveries, around the time thatAntoine Lavoisier
Antoine-Laurent de Lavoisier ( ; ; 26 August 17438 May 1794), When reduced without charcoal, it gave off an air which supported respiration and combustion in an enhanced way. He concluded that this was just a pure form of common air and that i ...
first questioned the phlogiston
The phlogiston theory, a superseded scientific theory, postulated the existence of a fire-like element dubbed phlogiston () contained within combustible bodies and released during combustion. The name comes from the Ancient Greek (''burnin ...
theory, the recognition of a new "earth" has been regarded as being equivalent to the discovery of a new element (as was the general practice then). For some elements (e.g. Be, B, Na, Mg, Al, Si, K, Ca, Mn, Co, Ni, Zr, Mo), this presents further difficulties as their compounds were widely known since medieval or even ancient times, even though the elements themselves were not. Since the true nature of those compounds was sometimes only gradually discovered, it is sometimes very difficult to name one specific discoverer. In such cases the first publication on their chemistry is noted, and a longer explanation given in the notes.
See also
*History of the periodic table
The periodic table is an arrangement of the chemical elements, structured by their atomic number, electron configuration and recurring chemical properties. In the basic form, elements are presented in order of increasing atomic number, in the r ...
* Periodic table
The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows (" periods") and columns (" groups"). It is an icon of chemistry and is widely used in physics and other s ...
* Extended periodic table
An extended periodic table theorizes about chemical elements beyond those currently known and proven. The element with the highest atomic number known is oganesson (''Z'' = 118), which completes the seventh period (row) in the perio ...
* ''The Mystery of Matter: Search for the Elements'' (2014/2015 PBS film)
* Transfermium Wars
The names for the chemical elements 104 to 106 were the subject of a major controversy starting in the 1960s, described by some nuclear chemists as the Transfermium Wars because it concerned the elements following fermium (element 100) on the pe ...
References
External links
History of the Origin of the Chemical Elements and Their Discoverers
Last updated by Boris Pritychenko on 30 March 2004
(1:18)
The History Of Metals Timeline
. A timeline showing the discovery of metals and the development of metallurgy. *—Eric Scerri, 2007, ''The periodic table: Its story and its significance,'' Oxford University Press, New York, {{History of chemistry Elements, discoveries
Timeline
A timeline is a list of events displayed in chronological order. It is typically a graphic design showing a long bar labelled with dates paralleling it, and usually contemporaneous events.
Timelines can use any suitable scale representing t ...
History of chemistry
History of physics
Discovery
Discovery may refer to:
* Discovery (observation), observing or finding something unknown
* Discovery (fiction), a character's learning something unknown
* Discovery (law), a process in courts of law relating to evidence
Discovery, The Discovery ...