Elements
| Elements |
Symbols |
Atomic Number |
Discoverer |
Date |
| Actinium |
AC |
89 |
A. Debierne |
1899 |
| Aluminium |
Al |
13 |
F. Wohler |
1827 |
| Americium |
Am |
95 |
G. Seaborg & Others |
1944 |
| Antimony |
Sb |
51 |
B. Valentine |
1604 |
| Argon |
A |
18 |
W. Ramsay and J. Rayleigh |
1894 |
| Arsenic |
As |
33 |
A. Magnus |
1250 |
| Astatine |
At |
85 |
E. Segre & others |
1940 |
| Barium |
Ba |
56 |
H .Davy |
1808 |
| Berkelium |
Bk |
97 |
S. Thomson & others |
1949 |
| Beryllium |
Be |
4 |
N. Vauquelin |
1798 |
| Bismuth |
Bi |
83 |
C. Geoffrey |
1953 |
| Boron |
B |
5 |
H. Davy |
1808 |
| Bromine |
Br |
35 |
A. Balard |
1826 |
| Cadmium |
Cd |
48 |
F. Stromeyer |
1817 |
| Calcium |
Ca |
20 |
H. Davy |
1808 |
| Californium |
Cf |
98 |
S. Thomson & others |
1950 |
| Carbon |
C |
6 |
Prehistoric |
|
| Cerium |
Ce |
58 |
J. Berzelius & Wd
Hislinger |
1803 |
| Cesium |
Cs |
55 |
R. Bunsen & G. Kirchhoff |
1860 |
| Chlorine |
Cl |
17 |
K. Scheele |
1774 |
| Chromium |
Cr |
24 |
N. Vauquelin |
1797 |
| Cobalt |
Co |
27 |
G. Brandt |
1735 |
| Copper |
Cu |
29 |
Prehistoric |
|
| Curium |
Cm |
96 |
G. Sesaborg & others |
1944 |
| Dysprosium |
Dy |
66 |
L. de Boisbaudran |
1886 |
| Einsteinium |
E |
99 |
A. Ghiorso & others |
1953 |
| Erbium |
Er |
68 |
C. Mosander |
1839 |
| Europium |
Eu |
63 |
E. Demarcay |
1896 |
| Fermium |
Fm |
100 |
A. Ghiorso & others |
1952 |
| Fluorine |
F |
9 |
H. Moissan |
1886 |
| Francium |
Fr |
87 |
M. Perey |
1939 |
| Gadolinium |
Gd |
64 |
J. C. de Marignac |
1880 |
| Gallium |
Ga |
31 |
L. de Boisbaudran |
1875 |
| Germanium |
Ge |
32 |
C. Winkler |
1886 |
| Gold |
Au |
79 |
Prehistoric |
- |
| Hafnium |
Hf |
72 |
D. Coster & G .De Hevsey |
1923 |
| Helium |
He |
2 |
J. C. P. Janseen & N
Lockye |
1868 |
| Holmium |
Ho |
67 |
J. Soret & M. Delafonta |
1878 |
| Hydrogen |
H |
1 |
H. Cavendish |
1766 |
| Indium |
In |
49 |
F. Reich & T. Richter |
1863 |
| Iodine |
I |
53 |
B. Courtois |
1812 |
| Iridium |
Ir |
77 |
S. Tennant |
1803 |
| Iron |
Fe |
26 |
Prehistoric |
- |
| Krypton |
Kr |
36 |
W. Ramsay & M. Travers |
1898 |
| Lanthanum |
La |
57 |
C. Mosanter |
1839 |
| Lawrencium |
Lr |
103 |
A. Ghiorso & others |
1961 |
| Lead |
Pb |
82 |
Prehistoric |
- |
| Lithium |
Li |
3 |
A. Arfvedson |
1817 |
| Lutetium |
Lu |
71 |
G. Urbain |
1907 |
| Magnesium |
Mg |
12 |
Recognized by J. Block |
1755 |
| Manganese |
Mn |
25 |
Recognized by K. Sheele |
1774 |
| Mendelevium |
Mv |
101 |
A. Ghiorso & others |
1955 |
| Mercury |
Hg |
80 |
Prehistoric |
- |
| Molybdenum |
Mo |
42 |
K. Scheele |
1778 |
| Neodymium |
Nd |
60 |
C. Von Welsbach |
1885 |
| Neon |
Ne |
10 |
W. Ramsay & M. Travers |
1898 |
| Neptunium |
Np |
93 |
E. McMillan & P. Abelson |
1940 |
| Nickel |
Ni |
28 |
A. Cronstedt |
1751 |
| Niobium (Columbium) |
Nb |
41 |
C. Hatchett |
1801 |
| Nitrogen |
N |
7 |
D. Rutherford |
1772 |
| Nobelium |
No |
102 |
Fields & others |
1951 |
| Osmium |
Os |
76 |
S. Tennant |
1803 |
| Oxygen |
O |
8 |
J. Priestley |
1774 |
| Palladium |
Pd |
46 |
W. Wollasten |
1803 |
| Phosphorous |
P |
15 |
H. Brand |
1669 |
| Platinum |
Pt |
78 |
D. de Ulloa |
1735 |
| Plutonium |
Pu |
94 |
G. Seaborg & other |
1940 |
| Polonium |
Po |
84 |
P. & M. Curie |
1898 |
| Potassium |
K |
19 |
H. Davy |
1807 |
| Praseodymium |
Pr |
59 |
C. Von Welsbach |
1885 |
| Pormethium |
Pm |
61 |
J. Marnsky & others |
1947 |
| Protactinium |
Pa |
91 |
F. Soddy & others |
1917 |
| Radium |
Ra |
88 |
P. & M. Curie |
1898 |
| Radon |
Rn |
86 |
Rutherford (thoron isotope) E.
Dorn (radon isotope) |
1899-1900 |
| Rhenium |
Re |
75 |
E. Noddack & others |
1925 |
| Rhodium |
Rh |
45 |
W. Wollaston |
1803 |
| Rubidium |
Rb |
37 |
R. Bunsen & G. Kirchhoff |
1861 |
| Ruthenium |
Ru |
44 |
K. Claus |
1844 |
| Samarium |
Sm |
62 |
L. de Boisbaudran |
1879 |
| Scandium |
Sc |
24 |
L. Nilson |
1879 |
| Selenium |
Se |
34 |
J. Berzelilum |
1817 |
| Silicon |
Si |
14 |
J. Berzelium |
1824 |
| Silver |
Ag |
47 |
Prehistoric |
- |
| Sodium |
Na |
11 |
H. Davy |
1807 |
| Strontium |
Sr |
38 |
H. Davy |
1808 |
| Sulphur |
S |
16 |
Prehistoric |
- |
| Tantalum |
Ta |
73 |
A. Ekeberg |
1802 |
| Technetium |
Tc |
43 |
E. Segre & C. Perrier |
1937 |
| Tellurium |
Te |
52 |
M. Von Reichenstein |
1782 |
| Terbium |
Tb |
65 |
C. Mosander |
1843 |
| Thallium |
Tl |
81 |
W. Crookes |
1861 |
| Thorium |
Th |
90 |
J. Berzelium |
1828 |
| Thulium |
Tm |
69 |
P. Cleve |
1879 |
| Tin |
Sn |
50 |
Prehistoric |
- |
| Titanium |
Ti |
22 |
W. George |
1791 |
| Tungsten (Wolfram) |
W |
74 |
G. & F. d'Ethuyar |
1783 |
| Uranium |
U |
92 |
E. M. Peligot |
1841 |
| Vanadium |
V |
23 |
A. Delrio |
1801 |
| Xenon |
Xe |
54 |
W. Ramsay & M. Travers |
1898 |
| Yeetterbium |
Yb |
70 |
C. Mangnac |
1878 |
| Yttrium |
Y |
39 |
J. Gabolin |
1794 |
| Zinc |
Zn |
30 |
Prehistoric |
- |
| Zrconium |
Zr |
40 |
M. Klaproth |
1789 |
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