1 H hydrogen 1766, found in cavendish, England (73 1- 18 10).
Helium was discovered in 1868 by French astronomer Jean-Song (1824- 1907) and British astronomer Lorca (1836- 1920). 1895, made by British chemist Ramsar.
3 Ber Ber 18 17, discovered by J.A. Afsicong of Sweden when analyzing lithium feldspar.
Beryllium 1798 was discovered by the Frenchman Louis Nicola Walklin.
5 B boron 1808 was discovered and made by David in Britain, Guy Lussac in France and the Dutch.
Six carbons discovered by the ancients
7 N nitrogen 1772, nitrogen was discovered by Scheler in Sweden and Rutherford in Denmark at the same time, and was later confirmed as a new element by lavoisier in France.
8 O oxygen 177 1 year, found in priestley, England and Scheler, Sweden.
9 F fluorine 1786 chemists predicted the existence of fluorine, and 1886 was confirmed by the electrolysis method of French chemist Movasan to produce fluorine gas.
10 Ne ne 1898, discovered by British chemists Ramsar and Rayleigh.
11nana1807, discovered by British chemist David, was made by electrolysis.
12mg magnesium 1808, discovered by British chemist David, was prepared by electrolysis.
13 aluminum was discovered and used by ancient people in China. (It was made by Danish H.C. Oster in 1825 by reacting aluminum trichloride with potassium amalgam and evaporating mercury).
14 Si Si 1823, which was discovered by Swedish chemist Bethany.
15 P phosphorus 1669, discovered by German Poles by evaporating urine.
16 S sulfur was discovered by the ancients (identified as an element by Frenchman lavoisier)
17 Cl chlorine 1774, chlorine was discovered by Swedish chemist Scheler, 18 10 years ago, and the Englishman David pointed out that it was an element.
18 Ar argon 1894, discovered by British chemists Rayleigh and Ramsar.
19 K potassium 1807, discovered by British chemist David, was made by electrolysis.
20 Ca 1808 was discovered by British chemist David and prepared by electrolysis.
2 1 Sc scandium 1879, discovered by Swede Nelson.
22 Ti Ti 179 1 year, discovered from the ore by British Mark gregor.
23 V vanadium 183 1 year, when researching galena in Sevstwood, Sweden, it was found that metallic vanadium was first produced in the English roster in 1867.
24 Cr Cr 1797, discovered by Frenchman Louis Nicola Walklin when analyzing chromite.
25 Mn Mn 1774, discovered in the pyrolusite in Scheler, Sweden.
The iron ancients discovered iron.
27 Co Co 1735, discovered by Brandt.
28 Ni nickel was discovered and used by ancient people in China. 175 1 year, Swedish mineralogist kronstadt first thought it was an element.
29 Cu copper was discovered by the ancients
30 Zn Zn discovered by the ancients in China
3 1 Ga Ga 1875, discovered when studying sphalerite in Boisbaudran, France.
32 Ge Ge 1885, discovered by Winkler, Germany.
Arsenic was extracted from realgar, turpentine and saltpeter by Ge Hong of China on 3 17, and was confirmed as a new element by lavoisier.
34 Se Se 18 17, found in Bethanius, Sweden.
35 Br bromine 1824, found in Barial.
36 Kr krypton 1898, found in Lamsa and Rayleigh, England.
37 Rb Rb 1860, discovered by Bunsen and Kirchhoff in Germany through spectral analysis.
38 Sr Sr 1808 was discovered by British chemist David and prepared by electrolysis.
39 Zr Zr 1789, discovered in klapp, Germany.
4 1 Nb niobium 180 1 year, discovered by British chemist Hatchett.
42 Mo molybdenum was discovered in Scheler, Sweden in 1778, and was first made in Grm, Sweden in 1883.
43 Tc technetium 1937 was first obtained by Lawrence in the United States with a cyclotron, and was identified as a new element by Periel and Seeburg in the United States. This is the first artificial element.
Ru Ru was discovered in ozan platinum mine in Russia in 1827, and was also discovered in Ukrainian gold mine in 1844, which was confirmed as a new element.
45 Rh rhodium 1803, discovered in wollaston, England, was separated from crude platinum.
46ppd1803, discovered in wollaston, England, was isolated from crude platinum.
47 Silver ancients discovered
48 Cd Cd 18 17, discovered by F. Strohmaier from zinc carbonate.
49 In indium 1863, discovered by Richter and Lex.
50
The ancients of Xi discovered
5 1 Sb antimony discovered by ancient people
52 Te Te 1782, discovered by F. J. Miller Reichenstein in gold-bearing ores.
53 I iodine 18 14 was discovered in Coubertin, France (1777- 1838), and was later confirmed as a new element by David in Britain and Guy Lussac in France.
54 Xe xenon 1898, found in Ramsey and Rayleigh, England.
55 Cs cesium 1860, discovered by Bunsen and Kirchhoff in Germany through spectral analysis.
Baba 1808 was discovered and made by British chemist David.
57 La La 1839, found in crude cerium nitrate in Moshangir, Sweden.
58 Ce Ce 1803, discovered in Bethany, Sweden, Lott, klapp and Hisinger, Sweden respectively.
59 Pr 1885, which was discovered by separating rose red neodymium salt and green praseodymium salt from praseodymium neodymium mixture in Welsbad, Austria.
60 nd nd nd1885, which was discovered by separating rose neodymium salt and green praseodymium salt from praseodymium neodymium mixture in Welsbeck, Austria.
6 1 Pm 1945, from Malinschi, Granin and Colleen of Atoms.
Found in the reactor and separated from uranium fission products
62 Sm samarium 1879, found in Boisbaudran.
63 Eu Europium 1896, discovered in Margai.
64 Gd gadolinium 1880, Rinak, Switzerland, was discovered in Samarsk ore. 1886, pure gadolinium made by Boisbaudran, France.
65 Tb terbium 1843, discovered in Mosander C.G., Sweden, officially named as 1877.
Didi, Didi, Didi, Didi, Didi, Didi, Didi, Didi, Didi, Didi, Didi, Didi, Didi, Didi.
67 ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho ho
68 Er Er Er 1843, discovered from yttrium soil in Moderne, Sweden by fractional precipitation method.
69 Tm thulium 1879, Clive, Sweden, separated from erbium soil.
70 Ytterbium 1878, discovered in Marignac.
7 1 Lu lutetium 1907, found in ytterbium soil in Wellspol, Austria and Yu, France.
Hafnium 1923 was discovered by Swedish chemist Hevesy and Dutch physicist Koster.
73 Ta tantalum 1802, discovered by Ekbaugh in Sweden, and separated niobium and tantalum for the first time by Ross in Germany in 1844.
74 W tungsten 178 1 year was discovered by Scheler when he decomposed tungstic acid in Sweden.
75 re re1925, German geochemist Noddack and his wife discovered platinum ore.
76 Os osmium 1803 was discovered by British chemist tennant and others when they dissolved crude platinum with aqua regia.
77 Tr Iridium 1803 was discovered by British chemist tennant and others when they dissolved crude platinum with aqua regia.
78 Pt platinum 1735 was discovered in the pinto river gold mine by Antonio uloa of Spain, and 1748 was confirmed as a new element by British chemist W. Watson.
79 Jin ancients discovered
The ancient Greeks discovered 80 mercury columns.
8 1 Tl thallium 186 1 year, discovered by spectral analysis in crookes, England.
The ancients discovered 82 Pb lead.
Bibby 1450, discovered by Valentine in Germany.
84 Po polonium 1898, discovered by Pierre and Curie in France.
At1940, American chemists Segray and Corson bombarded the bismuth target with α particles, and found and obtained the bismuth target.
86 Rn Radon 1903, Lamsa, UK. It was found when the laser gas was carefully observed and studied.
87 fr1939, discovered by chance when French chemist Pellet (female) was purifying actinides.
88 Ra Radium 1898, French chemists Pierre and Madame Curie discovered that Madame Curie made the first piece of metal radium in 18 10.
89 Ac actinide 1899, discovered by French A.L. De Bier and separated from uranium residue.
The 90th Thorium 1828 was discovered in Bethenius, Sweden.
In 9 1 Pa+09 17, F. Soddy, J. Glenn Si Tong, D. Hahn and L. Metnaz discovered it independently.
Klapp Lott (1743- 18 17) discovered 92 U uranium, and 1842 made metallic uranium.
93 Np neptunium 1940 is made by artificial nuclear reaction between Abelson and McMillan.
94 Pu Plutonium 1940, discovered in uranium mines by Seeburg, Wall and Kennedy.
95 Am americium 1944 was prepared by seaborg and Giosso of the United States by proton bombardment of plutonium atoms.
96 cm curium 1944, manufactured by seaborg and Giosso, USA.
97bkthulium 1949, manufactured by seaborg and Giosso, USA.
98cf California1950, manufactured by seaborg and Giosso, USA.
99 Es polonium 1952, when observing the atomic "fragments" produced by the explosion of hydrogen bombs in the United States, it was found that,
100 Fm+0952, when Geosso observed the atomic "fragments" produced by the explosion of hydrogen bombs, he found that,
101mdsamarium 1955 is made by bombarding polonium with helium nuclei.
102 No actinium 1958 was produced by bombarding actinium with carbon ions in cooperation with the Nobel Institute in Sweden.
At 103 Lr technetium 196 1, California scientists bombarded Californians with boron atoms.
104RF- 1964, respectively, were hand-made by scientific teams led by Vryolov of Russia and Giosso of the United States.
105dB- 1967, hand-made by scientific teams led by Russian Vryolov and American Giosso respectively.
106SG- 1974, which was made by Russian F. Giorloff and others bombarding lead cores with chromium cores. In the same year, Americans Jiao Suo, Seeburg and others also made it in another way.
107bh- 1976, which was made by a scientific group led by Russian Vryolov bombarding bismuth with chromium nucleus.
108HS- 1984, artificially synthesized by G. Muenzenberg, Germany.
109mt- 1982, artificially synthesized by G. Muenzenberg, Germany.
110un-1994, a team of European scientists was formed by the nucleation of Ni-62 and Pb-208 in Tate, Daams.
111uuu-1994, synthesized by Damstedt heavy ion research center.
112 uub-1996, synthesized by German P. Almbrust and S. Hoffman in Damstedt Heavy Ion Research Center.
1 14- 1999, manufactured by scientists from Dubna Institute, Russia.
1 16- 1999, Lawrence Becker National Laboratory, USA, etc.
1 18- 1999, Lawrence Becker National Laboratory, USA, etc.
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