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

Second list


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

List Of Elements By Symbol Media

The periodic table, elements being denoted by their symbols
Annotated example of an atomic symbol
Dalton's symbols for the more common elements, as of 1806, and the relative weights he calculated. The symbols for magnesium and calcium ("lime") were replaced by 1808, and that for gold was simplified.