List of elements by symbol facts for kids

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	Primordial	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	Sulphur	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 g/mol	10,07 g/cm3	1047 °C	3197 °C	1899	Debierne
Ag	Silver	Latin Argentum	47	107,8682 g/mol	10,49 g/cm3	961,9 °C	2212 °C	prehistoric	unknown
Al	Aluminium		13	26,981539 g/mol	2,70 g/cm3	660,5 °C	2467 °C	1825	Oersted
Am	Americium		95	243,0614 g/mol	13,67 g/cm3	994 °C	2607 °C	1944	Seaborg
Ar	Argon		18	39,948 g/mol	1,66 g/l	-189,4 °C	-185,9 °C	1894	Ramsay and Rayleigh
As	Arsenic		33	74,92159 g/mol	5,72 g/cm3	613 °C	613 (Subl.) °C	ca. 1250	Albertus Magnus
At	Astatine		85	209,9871 g/mol	7 g/cm3	302 °C	337 °C	1940	Corson and MacKenzie
Au	Gold	Latin Aurum	79	196,96654 g/mol	19,32 g/cm3	1064,4 °C	2940 °C	prehistoric	unknown
B	Boron		5	10,811 g/mol	2,46 g/cm3	2300 °C	2550 °C	1808	Davy and Gay-Lussac
Ba	Barium		56	137,327 g/mol	3,65 g/cm3	725 °C	1640 °C	1808	Davy
Be	Beryllium		4	9,012182 g/mol	1,85 g/cm3	1278 °C	2970 °C	1797	Vauquelin
Bh	Bohrium		107	262,				1976	Oganessian
Bi	Bismuth		83	208,98037 g/mol	9,80 g/cm3	271,4 °C	1560 °C	1540	Agricola
Bk	Berkelium		97	247,0703 g/mol	13,25 g/cm3	986 °C	2627 °C	1949	Seaborg
Br	Bromine		35	79,904 g/mol	3,14 g/cm3	-7,3 °C	58,8 °C	1826	Balard
C	Carbon		6	12,011 g/mol	3,51 g/cm3	3550 °C	4827 °C	prehistoric	unknown
Ca	Calcium		20	40,078 g/mol	1,54 g/cm3	839 °C	1487 °C	1808	Davy
Cd	Cadmium		48	112,411 g/mol	8,64 g/cm3	321 °C	765 °C	1817	Stromeyer and Hermann
Ce	Cerium		58	140,115 g/mol	6,77 g/cm3	798 °C	3257 °C	1803	von Hisinger and Berzelius
Cf	Californium		98	251,0796 g/mol	15,1 g/cm3	900 °C	1472 °C	1950	Seaborg
Cl	Chlorine		17	35,4527 g/mol	2,95 g/l	-34,6 °C	-101 °C	1774	Scheele
Cm	Curium		96	247,0703 g/mol	13,51 g/cm3	1340 °C	3110 °C	1944	Seaborg
Cn	Copernicium		112	277 g/mol				1996	Society for Heavy Ion Research
Co	Cobalt		27	58,9332 g/mol	8,89 g/cm3	1495 °C	2870 °C	1735	Brandt
Cr	Chromium		24	51,9961 g/mol	7,14 g/cm3	1857 °C	2482 °C	1797	Vauquelin
Cs	Caesium		55	132,90543 g/mol	1,90 g/cm3	28,4 °C	690 °C	1860	Kirchhoff and Bunsen
Cu	Copper	Latin Cuprum	29	63,546 g/mol	8,92 g/cm3	1083,5 °C	2595 °C	prehistoric	unknown
Db	Dubnium		105	262,1138 g/mol				1967/70	Flerow oder Ghiorso
Ds	Darmstadtium		110	269 g/mol				1994	Society for Heavy Ion Research
Dy	Dysprosium		66	162,5 g/mol	8,56 g/cm3	1409 °C	2335 °C	1886	Lecoq de Boisbaudran
Er	Erbium		68	167,26 g/mol	9,05 g/cm3	1522 °C	2510 °C	1842	Mosander
Es	Einsteinium		99	252,0829 g/mol		860 °C		1952	Seaborg
Eu	Europium		63	151,965 g/mol	5,25 g/cm3	822 °C	1597 °C	1901	Demaçay
F	Fluorine		9	18,9984032 g/mol	1,58 g/l	-219,6 °C	-188,1 °C	1886	Moissan
Fe	Iron	Latin Ferrum	26	55,847 g/mol	7,87 g/cm3	1535 °C	2750 °C	prehistoric	unknown
Fl	Flerovium		114
Fm	Fermium		100	257,0951 g/mol				1952	Seaborg
Fr	Francium		87	223,0197 g/mol		27 °C	677 °C	1939	Perey
Ga	Gallium		31	69,723 g/mol	5,91 g/cm3	29,8 °C	2403 °C	1875	Lecoq de Boiskaudran
Gd	Gadolinium		64	157,25 g/mol	7,89 g/cm3	1311 °C	3233 °C	1880	de Marignac
Ge	Germanium		32	72,61 g/mol	5,32 g/cm3	937,4 °C	2830 °C	1886	Winkler
H	Hydrogen		1	1,00794 g/mol	0,084 g/l	-259,1 °C	-252,9 °C	1766	Cavendish
He	Helium		2	4,002602 g/mol	0,17 g/l	-272,2 °C	-268,9 °C	1895	Ramsay and Cleve
Hf	Hafnium		72	178,49 g/mol	13,31 g/cm3	2150 °C	5400 °C	1923	Coster and vón Hevesy
Hg	Mercury	Latin Hydragyrum - quicksilver	80	200,59 g/mol	13,55 g/cm3	-38,9 °C	356,6 °C	prehistoric	unknown
Ho	Holmium		67	164,93032 g/mol	8,78 g/cm3	1470 °C	2720 °C	1878	Soret
Hs	Hassium		108	265 g/mol				1984	Society for Heavy Ion Research
I	Iodine		53	126,90447 g/mol	4,94 g/cm3	113,5 °C	184,4 °C	1811	Courtois
In	Indium		49	114,82 g/mol	7,31 g/cm3	156,2 °C	2080 °C	1863	Reich and Richter
Ir	Iridium		77	192,22 g/mol	22,65 g/cm3	2410 °C	4130 °C	1803	Tenant and andere
K	Potassium	German Kalium	19	39,0983 g/mol	0,86 g/cm3	63,7 °C	774 °C	1807	Davy
Kr	Krypton		36	83,8 g/mol	3,48 g/l	-156,6 °C	-152,3 °C	1898	Ramsay and Travers
La	Lanthanum		57	138,9055 g/mol	6,16 g/cm3	920 °C	3454 °C	1839	Mosander
Li	Lithium		3	6,941 g/mol	0,53 g/cm3	180,5 °C	1317 °C	1817	Arfvedson
Lr	Lawrencium		103	260,1053 g/mol				1961	Ghiorso
Lu	Lutetium		71	174,967 g/mol	9,84 g/cm3	1656 °C	3315 °C	1907	Urbain
Lv	Livermorium		116
Mc	Moscovium		115
Md	Mendelevium		101	258,0986 g/mol				1955	Seaborg
Mg	Magnesium		12	24,305 g/mol	1,74 g/cm3	648,8 °C	1107 °C	1755	Black
Mn	Manganese		25	54,93805 g/mol	7,44 g/cm3	1244 °C	2097 °C	1774	Gahn
Mo	Molybdenum		42	95,94 g/mol	10,28 g/cm3	2617 °C	5560 °C	1778	Scheele
Mt	Meitnerium		109	266 g/mol				1982	Society for Heavy Ion Research
N	Nitrogen		7	14,00674 g/mol	1,17 g/l	-209,9 °C	-195,8 °C	1772	Rutherford
Na	Sodium	Latin Natrium	11	22,989768 g/mol	0,97 g/cm3	97,8 °C	892 °C	1807	Davy
Nb	Niobium		41	92,90638 g/mol	8,58 g/cm3	2468 °C	4927 °C	1801	Hatchet
Nd	Neodymium		60	144,24 g/mol	7,00 g/cm3	1010 °C	3127 °C	1895	von Welsbach
Ne	Neon		10	20,1797 g/mol	0,84 g/l	-248,7 °C	-246,1 °C	1898	Ramsay and Travers
Nh	Nihonium		113
Ni	Nickel		28	58,69 g/mol	8,91 g/cm3	1453 °C	2732 °C	1751	Cronstedt
No	Nobelium		102	259,1009 g/mol				1958	Seaborg
Np	Neptunium		93	237,0482 g/mol	20,48 g/cm3	640 °C	3902 °C	1940	McMillan and Abelson
O	Oxygen		8	15,9994 g/mol	1,33 g/l	-218,4 °C	-182,9 °C	1774	Priestley and Scheele
Og	Oganesson		118
Os	Osmium		76	190,2 g/mol	22,61 g/cm3	3045 °C	5027 °C	1803	Tenant
P	Phosphorus		15	30,973762 g/mol	1,82 g/cm3	44 (P4) °C	280 (P4) °C	1669	Brandt
Pa	Protactinium		91	231,0359 g/mol	15,37 g/cm3	1554 °C	4030 °C	1917	Soddy, Cranston and Hahn
Pb	Lead	Latin Plumbum	82	207,2 g/mol	11,34 g/cm3	327,5 °C	1740 °C	prehistoric	unknown
Pd	Palladium		46	106,42 g/mol	12,02 g/cm3	1552 °C	3140 °C	1803	Wollaston
Pm	Promethium		61	146,9151 g/mol	7,22 g/cm3	1080 °C	2730 °C	1945	Marinsky and Glendenin
Po	Polonium		84	208,9824 g/mol	9,20 g/cm3	254 °C	962 °C	1898	Marie and Pierre Curie
Pr	Praseodymium		59	140,90765 g/mol	6,48 g/cm3	931 °C	3212 °C	1895	von Welsbach
Pt	Platinum		78	195,08 g/mol	21,45 g/cm3	1772 °C	3827 °C	1557	Scaliger
Pu	Plutonium		94	244,0642 g/mol	19,74 g/cm3	641 °C	3327 °C	1940	Seaborg
Ra	Radium		88	226,0254 g/mol	5,50 g/cm3	700 °C	1140 °C	1898	Marie and Pierre Curie
Rb	Rubidium		37	85,4678 g/mol	1,53 g/cm3	39 °C	688 °C	1861	Bunsen and Kirchhoff
Re	Rhenium		75	186,207 g/mol	21,03 g/cm3	3180 °C	5627 °C	1925	Noddack, Tacke and Berg
Rf	Rutherfordium		104	261,1087 g/mol				1964/69	Flerow oder Ghiorso
Rg	Roentgenium		111	272 g/mol				1994	Society for Heavy Ion Research
Rh	Rhodium		45	102,9055 g/mol	12,41 g/cm3	1966 °C	3727 °C	1803	Wollaston
Rn	Radon		86	222,0176 g/mol	9,23 g/l	-71 °C	-61,8 °C	1900	Dorn
Ru	Ruthenium		44	101,07 g/mol	12,45 g/cm3	2310 °C	3900 °C	1844	Claus
S	Sulfur		16	32,066 g/mol	2,06 g/cm3	113 °C	444,7 °C	prehistoric	unknown
Sb	Antimony	Latin Stibium	51	121,75 g/mol	6,69 g/cm3	630,7 °C	1750 °C	prehistoric	unknown
Sc	Scandium		21	44,95591 g/mol	2,99 g/cm3	1539 °C	2832 °C	1879	Nilson
Se	Selenium		34	78,96 g/mol	4,82 g/cm3	217 °C	685 °C	1817	Berzelius
Sg	Seaborgium		106	263,1182 g/mol				1974	Oganessian
Si	Silicon		14	28,0855 g/mol	2,33 g/cm3	1410 °C	2355 °C	1824	Berzelius
Sm	Samarium		62	150,36 g/mol	7,54 g/cm3	1072 °C	1778 °C	1879	Lecoq de Boisbaudran
Sn	Tin	Latin Stannum	50	118,71 g/mol	7,29 g/cm3	232 °C	2270 °C	prehistoric	unknown
Sr	Strontium		38	87,62 g/mol	2,63 g/cm3	769 °C	1384 °C	1790	Crawford
Ta	Tantalum		73	180,9479 g/mol	16,68 g/cm3	2996 °C	5425 °C	1802	Ekeberg
Tb	Terbium		65	158,92534 g/mol	8,25 g/cm3	1360 °C	3041 °C	1843	Mosander
Tc	Technetium		43	98,9063 g/mol	11,49 g/cm3	2172 °C	5030 °C	1937	Perrier and Segrè
Te	Tellurium		52	127,6 g/mol	6,25 g/cm3	449,6 °C	990 °C	1782	von Reichenstein
Th	Thorium		90	232,0381 g/mol	11,72 g/cm3	1750 °C	4787 °C	1829	Berzelius
Ti	Titanium		22	47,88 g/mol	4,51 g/cm3	1660 °C	3260 °C	1791	Gregor and Klaproth
Tl	Thallium		81	204,3833 g/mol	11,85 g/cm3	303,6 °C	1457 °C	1861	Crookes
Tm	Thulium		69	168,93421 g/mol	9,32 g/cm3	1545 °C	1727 °C	1879	Cleve
Ts	Tennessine		117
U	Uranium		92	238,0289 g/mol	18,97 g/cm3	1132,4 °C	3818 °C	1789	Klaproth
V	Vanadium		23	50,9415 g/mol	6,09 g/cm3	1890 °C	3380 °C	1801	del Rio
W	Tungsten	German Wolfram	74	183,85 g/mol	19,26 g/cm3	3407 °C	5927 °C	1783	Gebrüder de Elhuyar
Xe	Xenon		54	131,29 g/mol	4,49 g/l	-111,9 °C	-107 °C	1898	Ramsay and Travers
Y	Yttrium		39	88,90585 g/mol	4,47 g/cm3	1523 °C	3337 °C	1794	Gadolin
Yb	Ytterbium		70	173,04 g/mol	6,97 g/cm3	824 °C	1193 °C	1878	de Marignac
Zn	Zinc		30	65,39 g/mol	7,14 g/cm3	419,6 °C	9 °C	prehistoric	unknown
Zr	Zirconium		40	91,224 g/mol	6,51 g/cm3	1852 °C	4377 °C	1789	Klaproth

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List of elements by symbol Facts for Kids. Kiddle Encyclopedia.