List of elements by name

From Wikipedia, the free encyclopedia

This is a list of chemical elements, sorted by name and color coded according to type of element.

Given is each element's element symbol, atomic number, atomic mass or most stable isotope, and group and period numbers on the periodic table.

Name	Symbol	Atomic Number	Atomic Mass	Group	Period
Actinium	Ac	89	[227][1]		7
Aluminium (Aluminum)	Al	13	26.9815386(8)	13	3
Americium	Am	95	[243][1]		7
Antimony (Stibium)	Sb	51	121.760(1)[2]	15	5
Argon	Ar	18	39.948(1)[2] [3]	18	3
Arsenic	As	33	74.92160(2)	15	4
Astatine	At	85	[210][1]	17	6
Barium	Ba	56	137.327(7)	2	6
Berkelium	Bk	97	[247][1]		7
Beryllium	Be	4	9.012182(3)	2	2
Bismuth	Bi	83	208.98040(1)	15	6
Bohrium	Bh	107	[264][1]	7	7
Boron	B	5	10.811(7)[2] [4] [3]	13	2
Bromine	Br	35	79.904(1)	17	4
Cadmium	Cd	48	112.411(8)[2]	12	5
Caesium (Cesium)	Cs	55	132.9054519(2)	1	6
Calcium	Ca	20	40.078(4)[2]	2	4
Californium	Cf	98	[251][1]		7
Carbon	C	6	12.0107(8)[2] [3]	14	2
Cerium	Ce	58	140.116(1)[2]		6
Chlorine	Cl	17	35.453(2)[2] [4] [3]	17	3
Chromium	Cr	24	51.9961(6)	6	4
Cobalt	Co	27	58.933195(5)	9	4
Copper (Cuprum)	Cu	29	63.546(3)[3]	11	4
Curium	Cm	96	[247][1]		7
Darmstadtium	Ds	110	[271][1]	10	7
Dubnium	Db	105	[262][1]	5	7
Dysprosium	Dy	66	162.500(1)[2]		6
Einsteinium	Es	99	[252][1]		7
Erbium	Er	68	167.259(3)[2]		6
Europium	Eu	63	151.964(1)[2]		6
Fermium	Fm	100	[257][1]		7
Fluorine	F	9	18.9984032(5)	17	2
Francium	Fr	87	[223][1]	1	7
Gadolinium	Gd	64	157.25(3)[2]		6
Gallium	Ga	31	69.723(1)	13	4
Germanium	Ge	32	72.64(1)	14	4
Gold (Aurum)	Au	79	196.966569(4)	11	6
Hafnium	Hf	72	178.49(2)	4	6
Hassium	Hs	108	[277][1]	8	7
Helium	He	2	4.002602(2)[2] [3]	18	1
Holmium	Ho	67	164.930 32(2)		6
Hydrogen	H	1	1.00794(7)[2] [4] [3]	1	1
Indium	In	49	114.818(3)	13	5
Iodine	I	53	126.904 47(3)	17	5
Iridium	Ir	77	192.217(3)	9	6
Iron (Ferrum)	Fe	26	55.845(2)	8	4
Krypton	Kr	36	83.798(2)[2] [4]	18	4
Lanthanum	La	57	138.90547(7)[2]		6
Lawrencium	Lr	103	[262][1]	3	7
Lead (Plumbum)	Pb	82	207.2(1)[2] [3]	14	6
Lithium	Li	3	6.941(2)[2] [4] [3] [5]	1	2
Lutetium	Lu	71	174.967(1)[2]	3	6
Magnesium	Mg	12	24.3050(6)	2	3
Manganese	Mn	25	54.938045(5)	7	4
Meitnerium	Mt	109	[268][1]	9	7
Mendelevium	Md	101	[258][1]		7
Mercury (Hydrargyrum)	Hg	80	200.59(2)	12	6
Molybdenum	Mo	42	95.94(2)[2]	6	5
Neodymium	Nd	60	144.242(3)[2]		6
Neon	Ne	10	20.1797(6)[2] [4]	18	2
Neptunium	Np	93	[237][1]		7
Nickel	Ni	28	58.6934(2)	10	4
Niobium	Nb	41	92.906 38(2)	5	5
Nitrogen	N	7	14.0067(2)[2] [3]	15	2
Nobelium	No	102	[259][1]		7
Osmium	Os	76	190.23(3)[2]	8	6
Oxygen	O	8	15.9994(3)[2] [3]	16	2
Palladium	Pd	46	106.42(1)[2]	10	5
Phosphorus	P	15	30.973762(2)	15	3
Platinum	Pt	78	195.084(9)	10	6
Plutonium	Pu	94	[244][1]		7
Polonium	Po	84	[210][1]	16	6
Potassium (Kalium)	K	19	39.0983(1)	1	4
Praseodymium	Pr	59	140.90765(2)		6
Promethium	Pm	61	[145][1]		6
Protactinium	Pa	91	231.03588(2)[1]		7
Radium	Ra	88	[226][1]	2	7
Radon	Rn	86	[220][1]	18	6
Rhenium	Re	75	186.207(1)	7	6
Rhodium	Rh	45	102.905 50(2)	9	5
Roentgenium	Rg	111	[272][1]	11	7
Rubidium	Rb	37	85.4678(3)[2]	1	5
Ruthenium	Ru	44	101.07(2)[2]	8	5
Rutherfordium	Rf	104	261[1]	4	7
Samarium	Sm	62	150.36(2)[2]		6
Scandium	Sc	21	44.955912(6)	3	4
Seaborgium	Sg	106	[266][1]	6	7
Selenium	Se	34	78.96(3)[3]	16	4
Silicon	Si	14	28.0855(3)[3]	14	3
Silver (Argentum)	Ag	47	107.8682(2)[2]	11	5
Sodium (Natrium)	Na	11	22.98976928(2)	1	3
Strontium	Sr	38	87.62(1)[2] [3]	2	5
Sulfur	S	16	32.065(5)[2] [3]	16	3
Tantalum	Ta	73	180.94788(2)	5	6
Technetium	Tc	43	[98][1]	7	5
Tellurium	Te	52	127.60(3)[2]	16	5
Terbium	Tb	65	158.92535(2)		6
Thallium	Tl	81	204.3833(2)	13	6
Thorium	Th	90	232.03806(2)[1] [2]		7
Thulium	Tm	69	168.93421(2)		6
Tin (Stannum)	Sn	50	118.710(7)[2]	14	5
Titanium	Ti	22	47.867(1)	4	4
Tungsten (Wolfram)	W	74	183.84(1)	6	6
Ununbium	Uub	112	[285][1]	12	7
Ununhexium	Uuh	116	[292][1]	16	7
Ununoctium	Uuo	118	[294][1]	18	7
Ununpentium	Uup	115	[288][1]	15	7
Ununquadium	Uuq	114	[289][1]	14	7
Ununtrium	Uut	113	[284][1]	13	7
Uranium	U	92	238.02891(3)[1] [2] [4]		7
Vanadium	V	23	50.9415(1)	5	4
Xenon	Xe	54	131.293(6)[2] [4]	18	5
Ytterbium	Yb	70	173.04(3)[2]		6
Yttrium	Y	39	88.90585(2)	3	5
Zinc	Zn	30	65.409(4)	12	4
Zirconium	Zr	40	91.224(2)[2]	4	5

[edit] Notes

1. ^ ^{a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj} The element does not have any stable nuclides, and a value in brackets, e.g. [209], indicates the mass number of the longest-lived isotope of the element. However, three elements, Thorium, Protactinium, and Uranium, have a characteristic terrestrial isotopic composition, and thus their atomic mass given.
2. ^ ^{a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am} The isotopic composition of this element varies in some geological specimens, and the variation may exceed the uncertainty stated in the table.
3. ^ ^{a b c d e f g h i j k l m n o} The isotopic composition varies in terrestrial material such that a more precise atomic weight can not be given.
4. ^ ^{a b c d e f g h} The isotopic composition of the element can vary in commercial materials, which can cause the atomic weight to deviate significantly from the given value.
5. ^ The atomic weight of commercial Lithium can vary between 6.939 and 6.996—analysis of the specific material is necessary to find a more accurate value.

[edit] References

• Atomic Weights of the Elements 2001, Pure Appl. Chem. 75(8), 1107-1122, 2003. Retrieved June 30, 2005. Atomic weights of elements with atomic numbers from 1-109 taken from this source.
• IUPAC Standard Atomic Weights Revised (2005).
• WebElements Periodic Table. Retrieved June 30, 2005. Atomic weights of elements with atomic numbers 110-116 taken from this source.

[edit] See also

• Chemical elements named after people
• Chemical elements named after places
• List of chemical element name etymologies
• Systematic element name
• Kasalakium

v • d • e Periodic tables
Layouts	Standard · Vertical · Full names · Names and atomic masses · Text for last · Huge table · Metals and nonmetals · Blocks · Valences · Inline f-block · 218 elements · Electron configurations · Atomic masses · Electronegativities · Alternatives
Lists of elements	Name · Atomic symbol · Atomic number · Boiling point · Melting point · Density · Atomic mass
Groups	1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 · 13 · 14 · 15 · 16 · 17 · 18
Periods:	1 · 2 · 3 · 4 · 5 · 6 · 7 · 8
Element categories	Alkalis · Alkaline earths · Lanthanides · Actinides · Transition metals · Metals · Metalloids · Nonmetals · Halogens · Noble gases
Blocks	s-block · p-block · d-block · f-block · g-block

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