List of elements by symbol - Simple English Wikipedia, the free encyclopedia

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
33

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