List of elements by symbol

This is a list of elements by atomic number with symbol.

List of elements

Atomic Number	Name	Symbol	Group	Period Number
1	Hydrogen	H	1	1
2	Helium	He	18	1
3	Lithium	Li	1	2
4	Beryllium	Be	2	2
5	Boron	B	13	2
6	Carbon	C	14	2
7	Nitrogen	N	15	2
8	Oxygen	O	16	2
9	Fluorine	F	17	2
10	Neon	Ne	18	2
11	Sodium	Na	1	3
12	Magnesium	Mg	2	3
13	Aluminium	Al	13	3
14	Silicon	Si	14	3
15	Phosphorus	P	15	3
16	Sulfur	S	16	3
17	Chlorine	Cl	17	3
18	Argon	Ar	18	3
19	Potassium	K	1	4
20	Calcium	Ca	2	4
21	Scandium	Sc	3	4
22	Titanium	Ti	4	4
23	Vanadium	V	5	4
24	Chromium	Cr	6	4
25	Manganese	Mn	7	4
26	Iron	Fe	8	4
27	Cobalt	Co	9	4
28	Nickel	Ni	10	4
29	Copper	Cu	11	4
30	Zinc	Zn	12	4
31	Gallium	Ga	13	4
32	Germanium	Ge	14	4
33	Arsenic	As	15	4
34	Selenium	Se	16	4
35	Bromine	Br	17	4
36	Krypton	Kr	18	4
37	Rubidium	Rb	1	5
38	Strontium	Sr	2	5
39	Yttrium	Y	3	5
40	Zirconium	Zr	4	5
41	Niobium	Nb	5	5
42	Molybdenum	Mo	6	5
43	Technetium	Tc	7	5
44	Ruthenium	Ru	8	5
45	Rhodium	Rh	9	5
46	Palladium	Pd	10	5
47	Silver	Ag	11	5
48	Cadmium	Cd	12	5
49	Indium	In	13	5
50	Tin	Sn	14	5
51	Antimony	Sb	15	5
52	Tellurium	Te	16	5
53	Iodine	I	17	5
54	Xenon	Xe	18	5
55	Cesium	Cs	1	6
56	Barium	Ba	2	6
57	Lanthanum	La	3	6
58	Cerium	Ce	3	6
59	Praseodymium	Pr	3	6
60	Neodymium	Nd	3	6
61	Promethium	Pm	3	6
62	Samarium	Sm	3	6
63	Europium	Eu	3	6
64	Gadolinium	Gd	3	6
65	Terbium	Tb	3	6
66	Dysprosium	Dy	3	6
67	Holmium	Ho	3	6
68	Erbium	Er	3	6
69	Thulium	Tm	3	6
70	Ytterbium	Yb	3	6
71	Lutetium	Lu	3	6
72	Hafnium	Hf	4	6
73	Tantalum	Ta	5	6
74	Tungsten	W	6	6
75	Rhenium	Re	7	6
76	Osmium	Os	8	6
77	Iridium	Ir	9	6
78	Platinum	Pt	10	6
79	Gold	Au	11	6
80	Mercury	Hg	12	6
81	Thallium	Tl	13	6
82	Lead	Pb	14	6
83	Bismuth	Bi	15	6
84	Polonium	Po	16	6
85	Astatine	At	17	6
86	Radon	Rn	18	6
87	Francium	Fr	1	7
88	Radium	Ra	2	7
89	Actinium	Ac	3	7
90	Thorium	Th	3	7
91	Protactinium	Pa	3	7
92	Uranium	U	3	7
93	Neptunium	Np	3	7
94	Plutonium	Pu	3	7
95	Americium	Am	3	7
96	Curium	Cm	3	7
97	Berkelium	Bk	3	7
98	Californium	Cf	3	7
99	Einsteinium	Es	3	7
100	Fermium	Fm	3	7
101	Mendelevium	Md	3	7
102	Nobelium	No	3	7
103	Lawrencium	Lr	3	7
104	Rutherfordium	Rf
105	Dubnium	Db
106	Seaborgium	Sg
107	Bohrium	Bh
108	Hassium	Hs
109	Meitnerium	Mt
110	Darmstadtium	Ds
111	Roentgenium	Rg
112	Copernicium	Cn
113	Nihonium	Nh
114	Flerovium	Fl
115	Moscovium	Mc
116	Livermorium	Lv
117	Tennessine	Ts
118	Oganesson	Og

Detailed table

Chemical sym	Name	Origin of symbol	Atomic No.	Atomic mass	Density (near r.t.)	Melting point	Boiling point	Year of discovery	Discoverer
Ac	Actinium		89	227.0278 u	10.07 g/cm3	1047 °C	3197 °C	1899	Debierne
Ag	Silver	Latin Argentum	47	107.8682 u	10.49 g/cm3	961.9 °C	2212 °C	prehistoric	unknown
Al	Aluminium		13	26.981539 u	2.70 g/cm3	660.5 °C	2467 °C	1825	Oersted
Am	Americium		95	243.0614 u	13.67 g/cm3	994 °C	2607 °C	1944	Seaborg
Ar	Argon		18	39.948 u	1.66 g/l	-189.4 °C	-185.9 °C	1894	Ramsay and Rayleigh
As	Arsenic		33	74.92159 u	5.72 g/cm3	613 °C	613 (Subl.) °C	ca. 1250	Albertus Magnus
At	Astatine		85	209.9871 u	7 g/cm3	302 °C	337 °C	1940	Corson and MacKenzie
Au	Gold	Latin Aurum	79	196.96654 u	19.32 g/cm3	1064.4 °C	2940 °C	prehistoric	unknown
B	Boron		5	10.811 u	2.46 g/cm3	2300 °C	2550 °C	1808	Davy and Gay-Lussac
Ba	Barium		56	137.327 u	3.65 g/cm3	725 °C	1640 °C	1808	Davy
Be	Beryllium		4	9.012182 u	1.85 g/cm3	1278 °C	2970 °C	1797	Vauqueli
Bh	Bohrium		107	262.				1976	Oganessian
Bi	Bismuth		83	208.98037 u	9.80 g/cm3	271.4 °C	1560 °C	1540	Agricola
Bk	Berkelium		97	247.0703 u	13.25 g/cm3	986 °C	2627 °C	1949	Seaborg
Br	Bromine		35	79.904 u	3.14 g/cm3	-7.3 °C	58.8 °C	1826	Balard
C	Carbon		6	12.011 u	3.51 g/cm3	3550 °C	4827 °C	prehistoric	unknown
Ca	Calcium		20	40.078 u	1.54 g/cm3	839 °C	1487 °C	1808	Davy
Cd	Cadmium		48	112.411 u	8.64 g/cm3	321 °C	765 °C	1817	Stromeyer and Hermann
Ce	Cerium		58	140.115 u	6.77 g/cm3	798 °C	3257 °C	1803	von Hisinger and Berzelius
Cf	Californium		98	251.0796 u	15.1 g/cm3	900 °C	1472 °C	1950	Seaborg
Cl	Chlorine		17	35.4527 u	2.95 g/l	-34.6 °C	-101 °C	1774	Scheele
Cm	Curium		96	247.0703 u	13.51 g/cm3	1340 °C	3110 °C	1944	Seaborg
Cn	Copernicium		112	277 u				1996	Society for Heavy Ion Research
Co	Cobalt		27	58.9332 u	8.89 g/cm3	1495 °C	2870 °C	1735	Brandt
Cr	Chromium		24	51.9961 u	7.14 g/cm3	1857 °C	2482 °C	1797	Vauquelin
Cs	Caesium		55	132.90543 u	1.90 g/cm3	28.4 °C	690 °C	1860	Kirchhoff and Bunsen
Cu	Copper	Latin Cuprum	29	63.546 u	8.92 g/cm3	1083.5 °C	2595 °C	prehistoric	unknown
Db	Dubnium		105	262.1138 u				1967/70	Flerow oder Ghiorso
Ds	Darmstadtium		110	269 u				1994	Society for Heavy Ion Research
Dy	Dysprosium		66	162.5 u	8.56 g/cm3	1409 °C	2335 °C	1886	Lecoq de Boisbaudran
Er	Erbium		68	167.26 u	9.05 g/cm3	1522 °C	2510 °C	1842	Mosander
Es	Einsteinium		99	252.0829 u		860 °C		1952	Seaborg
Eu	Europium		63	151.965 u	5.25 g/cm3	822 °C	1597 °C	1901	Demaçay
F	Fluorine		9	18.9984032 u	1.58 g/l	-219.6 °C	-188.1 °C	1886	Moissan
Fe	Iron	Latin Ferrum	26	55.847 u	7.87 g/cm3	1535 °C	2750 °C	prehistoric	unknown
Fl	Flerovium		114
Fm	Fermium		100	257.0951 u				1952	Seaborg
Fr	Francium		87	223.0197 u		27 °C	677 °C	1939	Perey
Ga	Gallium		31	69.723 u	5.91 g/cm3	29.8 °C	2403 °C	1875	Lecoq de Boiskaudran
Gd	Gadolinium		64	157.25 u	7.89 g/cm3	1311 °C	3233 °C	1880	de Marignac
Ge	Germanium		32	72.61 u	5.32 g/cm3	937.4 °C	2830 °C	1886	Winkler
H	Hydrogen		1	1.00794 u	0.084 g/l	-259.1 °C	-252.9 °C	1766	Cavendish
He	Helium		2	4.002602 u	0.17 g/l	-272.2 °C	-268.9 °C	1895	Ramsay and Cleve
Hf	Hafnium		72	178.49 u	13.31 g/cm3	2150 °C	5400 °C	1923	Coster and vón Hevesy
Hg	Mercury	Latin Hydragyrum - quicksilver	80	200.59 u	13.55 g/cm3	-38.9 °C	356.6 °C	prehistoric	unknown
Ho	Holmium		67	164.93032 u	8.78 g/cm3	1470 °C	2720 °C	1878	Soret
Hs	Hassium		108	265 u				1984	Society for Heavy Ion Research
I	Iodine		53	126.90447 u	4.94 g/cm3	113.5 °C	184.4 °C	1811	Courtois
In	Indium		49	114.82 u	7.31 g/cm3	156.2 °C	2080 °C	1863	Reich and Richter
Ir	Iridium		77	192.22 u	22.65 g/cm3	2410 °C	4130 °C	1803	Tenant and andere
K	Potassium	German Kalium	19	39.0983 u	0.86 g/cm3	63.7 °C	774 °C	1807	Davy
Kr	Krypton		36	83.8 u	3.48 g/l	-156.6 °C	-152.3 °C	1898	Ramsay and Travers
La	Lanthanum		57	138.9055 u	6.16 g/cm3	920 °C	3454 °C	1839	Mosander
Li	Lithium		3	6.941 u	0.53 g/cm3	180.5 °C	1317 °C	1817	Arfvedson
Lr	Lawrencium		103	260.1053 u				1961	Ghiorso
Lu	Lutetium		71	174.967 u	9.84 g/cm3	1656 °C	3315 °C	1907	Urbain
Lv	Livermorium		116
Mc	Moscovium		115
Md	Mendelevium		101	258.0986 u				1955	Seaborg
Mg	Magnesium		12	24.305 u	1.74 g/cm3	648.8 °C	1107 °C	1755	Black
Mn	Manganese		25	54.93805 u	7.44 g/cm3	1244 °C	2097 °C	1774	Gahn
Mo	Molybdenum		42	95.94 u	10.28 g/cm3	2617 °C	5560 °C	1778	Scheele
Mt	Meitnerium		109	266 u				1982	Society for Heavy Ion Research
N	Nitrogen		7	14.00674 u	1.17 g/l	-209.9 °C	-195.8 °C	1772	Rutherford
Na	Sodium	Latin Natrium	11	22.989768 u	0.97 g/cm3	97.8 °C	892 °C	1807	Davy
Nb	Niobium		41	92.90638 u	8.58 g/cm3	2468 °C	4927 °C	1801	Hatchet
Nd	Neodymium		60	144.24 u	7.00 g/cm3	1010 °C	3127 °C	1895	von Welsbach
Ne	Neon		10	20.1797 u	0.84 g/l	-248.7 °C	-246.1 °C	1898	Ramsay and Travers
Nh	Nihonium		113
Ni	Nickel		28	58.69 u	8.91 g/cm3	1453 °C	2732 °C	1751	Cronstedt
No	Nobelium		102	259.1009 u				1958	Seaborg
Np	Neptunium		93	237.0482 u	20.48 g/cm3	640 °C	3902 °C	1940	McMillan and Abelson
O	Oxygen		8	15.9994 u	1.33 g/l	-218.4 °C	-182.9 °C	1774	Priestley and Scheele
Og	Oganesson		118
Os	Osmium		76	190.2 u	22.61 g/cm3	3045 °C	5027 °C	1803	Tenant
P	Phosphorus		15	30.973762 u	1.82 g/cm3	44 (P4) °C	280 (P4) °C	1669	Brandt
Pa	Protactinium		91	231.0359 u	15.37 g/cm3	1554 °C	4030 °C	1917	Soddy, Cranston and Hahn
Pb	Lead	Latin Plumbum	82	207.2 u	11.34 g/cm3	327.5 °C	1740 °C	prehistoric	unknown
Pd	Palladium		46	106.42 u	12.02 g/cm3	1552 °C	3140 °C	1803	Wollaston
Pm	Promethium		61	146.9151 u	7.22 g/cm3	1080 °C	2730 °C	1945	Marinsky and Glendenin
Po	Polonium		84	208.9824 u	9.20 g/cm3	254 °C	962 °C	1898	Marie and Pierre Curie
Pr	Praseodymium		59	140.90765 u	6.48 g/cm3	931 °C	3212 °C	1895	von Welsbach
Pt	Platinum		78	195.08 u	21.45 g/cm3	1772 °C	3827 °C	1557	Scaliger
Pu	Plutonium		94	244.0642 u	19.74 g/cm3	641 °C	3327 °C	1940	Seaborg
Ra	Radium		88	226.0254 u	5.50 g/cm3	700 °C	1140 °C	1898	Marie and Pierre Curie
Rb	Rubidium		37	85.4678 u	1.53 g/cm3	39 °C	688 °C	1861	Bunsen and Kirchhoff
Re	Rhenium		75	186.207 u	21.03 g/cm3	3180 °C	5627 °C	1925	Noddack, Tacke and Berg
Rf	Rutherfordium		104	261.1087 u				1964/69	Flerow oder Ghiorso
Rg	Roentgenium		111	272 u				1994	Society for Heavy Ion Research
Rh	Rhodium		45	102.9055 u	12.41 g/cm3	1966 °C	3727 °C	1803	Wollaston
Rn	Radon		86	222.0176 u	9.23 g/l	-71 °C	-61.8 °C	1900	Dorn
Ru	Ruthenium		44	101.07 u	12.45 g/cm3	2310 °C	3900 °C	1844	Claus
S	Sulfur		16	32.066 u	2.06 g/cm3	113 °C	444.7 °C	prehistoric	unknown
Sb	Antimony	Latin Stibium	51	121.75 u	6.69 g/cm3	630.7 °C	1750 °C	prehistoric	unknown
Sc	Scandium		21	44.95591 u	2.99 g/cm3	1539 °C	2832 °C	1879	Nilson
Se	Selenium		34	78.96 u	4.82 g/cm3	217 °C	685 °C	1817	Berzelius
Sg	Seaborgium		106	263.1182 u				1974	Oganessian
Si	Silicon		14	28.0855 u	2.33 g/cm3	1410 °C	2355 °C	1824	Berzelius
Sm	Samarium		62	150.36 u	7.54 g/cm3	1072 °C	1778 °C	1879	Lecoq de Boisbaudran
Sn	Tin	Latin Stannum	50	118.71 u	7.29 g/cm3	232 °C	2270 °C	prehistoric	unknown
Sr	Strontium		38	87.62 u	2.63 g/cm3	769 °C	1384 °C	1790	Crawford
Ta	Tantalum		73	180.9479 u	16.68 g/cm3	2996 °C	5425 °C	1802	Ekeberg
Tb	Terbium		65	158.92534 u	8.25 g/cm3	1360 °C	3041 °C	1843	Mosander
Tc	Technetium		43	98.9063 u	11.49 g/cm3	2172 °C	5030 °C	1937	Perrier and Segrè
Te	Tellurium		52	127.6 u	6.25 g/cm3	449.6 °C	990 °C	1782	von Reichenstein
Th	Thorium		90	232.0381 u	11.72 g/cm3	1750 °C	4787 °C	1829	Berzelius
Ti	Titanium		22	47.88 u	4.51 g/cm3	1660 °C	3260 °C	1791	Gregor and Klaproth
Tl	Thallium		81	204.3833 u	11.85 g/cm3	303.6 °C	1457 °C	1861	Crookes
Tm	Thulium		69	168.93421 u	9.32 g/cm3	1545 °C	1727 °C	1879	Cleve
Ts	Tennessine		117
U	Uranium		92	238.0289 u	18.97 g/cm3	1132.4 °C	3818 °C	1789	Klaproth
V	Vanadium		23	50.9415 u	6.09 g/cm3	1890 °C	3380 °C	1801	del Rio
W	Tungsten	German Wolfram	74	183.85 u	19.26 g/cm3	3407 °C	5927 °C	1783	Gebrüder de Elhuyar
Xe	Xenon		54	131.29 u	4.49 g/l	-111.9 °C	-107 °C	1898	Ramsay and Travers
Y	Yttrium		39	88.90585 u	4.47 g/cm3	1523 °C	3337 °C	1794	Gadolin
Yb	Ytterbium		70	173.04 u	6.97 g/cm3	824 °C	1193 °C	1878	de Marignac
Zn	Zinc		30	65.39 u	7.14 g/cm3	419.6 °C	907 °C	prehistoric	unknown
Zr	Zirconium		40	91.224 u	6.51 g/cm3	1852 °C	4377 °C	1789	Klaproth