General Chemistry/Table of the Chemical Elements and their Properties

Name	Symbol	Number	Atomic mass	Density at 20°C (g/cm3)	Melting point (°C)	Boiling point (°C)	Phase *	Oxidation **
Actinium	Ac	89	227.0278	10.07	1047	3197	S	+3
Aluminium	Al	13	26.982	2.70	660.5	2467	S	+3
Americium	Am	95	(243)	13.67	994	2607	X S	+3 +4 +5 +6
Antimony	Sb	51	121.75	6.69	630.7	1750	S	-3 +3 +5
Argon	Ar	18	39.948	1.66	-189.4	-185.9	G	0
Arsenic	As	33	74.92159	5.72	613 (sublimation)	613	S	-3 +3 +5
Astatine	At	85	209.9871	7 (approx.)	302	337	S	+1 +3 (prob.)
Barium	Ba	56	137.327	3.65	725	1640	S	+2
Berkelium	Bk	97	(247)	13.25	986	710	X S	+3 +4
Beryllium	Be	4	9.012182	1.85	1278	2970	S	+2
Bismuth	Bi	83	208.98037	9.80	271.4	1560	S	+3 +5
Bohrium	Bh	107		38 (est.)			X S
Boron	B	5	10.811	2.46	2300	2550	S	+3
Bromine	Br	35	79.904	3.14	-7.3	58.8	D L	-1 +1 +5
Cadmium	Cd	48	112.411	8.64	321	765	S	+2
Caesium	Cs	55	132.90543	1.90	28.4	690	S	+1
Calcium	Ca	20	40.078	1.54	839	1487	S	+2
Californium	Cf	98	(251)	15.1			X S	+3
Carbon	C	6	12.011	3.51	3550	4827	S	-4 +2 +4
Cerium	Ce	58	140.115	6.77	798	3257	S	+3 +4
Chlorine	Cl	17	35.4527	2.95	-101	-34.6	D G	-1 +1 +3 +5 +7
Chromium	Cr	24	51.9961	7.14	1857	2482	S	+2 +3 +6
Cobalt	Co	27	58.9332	8.89	1495	2870	S	+2 +3
Copper	Cu	29	63.546	8.92	1083.5	2595	S	+1 +2
Copernicium	Cn	112		13.5336			X L
Curium	Cm	96	(247)	13.51	1067	3110	X S	+3
Darmstadtium	Ds	110		21.46			X S
Dubnium	Db	105		39 (est.)			X S
Dysprosium	Dy	66	162.5	8.56	1409	2335	S	+3
Einsteinium	Es	99	(252)	13.5 (est.)	860		X S
Erbium	Er	68	167.26	9.05	1522	2510	S	+3
Europium	Eu	63	151.965	5.25	822	1597	S	+2 +3
Fermium	Fm	100	(257)	2781			X S
Fluorine	F	9	18.9984032	1.58	-219.6	-188.1	D G	-1
Francium	Fr	87	223.0197	1.87	27	677	S	+1
Gadolinium	Gd	64	157.25	7.89	1311	3233	S	+3
Gallium	Ga	31	69.723	5.91	29.8	2403	S	+3
Germanium	Ge	32	72.61	5.32	937.4	2830	S	-4 +2 +4
Gold	Au	79	196.96654	19.32	1064.4	2940	S	+1 +3
Hafnium	Hf	72	178.49	13.31	2150	5400	S	+4
Hassium	Hs	108		41 (est.)			X S
Helium	He	2	4.002602	0.17	-273 (n/a)	-268.9	G	0
Holmium	Ho	67	164.93032	8.78	1470	2720	S	+3
Hydrogen	H	1	1.00794	0.084	-259.1	-252.9	D G	+1 -1
Indium	In	49	114.82	7.31	156.2	2080	S	+3
Iodine	I	53	126.90447	4.94	113.5	184.4	D S	-1 +1 +5 +7
Iridium	Ir	77	192.22	22.65	2410	4130	S	+3 +4
Iron	Fe	26	55.847	7.87	1535	2750	S	+2 +3
Krypton	Kr	36	83.8	3.48	-156.6	-152.3	G	0 +2
Lanthanum	La	57	138.9055	6.16	920	3454	S	+3
Lawrencium	Lr	103	(263)	9.84	2961		X S
Lead	Pb	82	207.2	11.34	327.5	1740	S	+2 +4
Lithium	Li	3	6.941	0.53	180.5	1317	S	+1
Lutetium	Lu	71	174.967	9.84	1656	3315	S	+3
Magnesium	Mg	12	24.305	1.74	648.8	1107	S	+2
Manganese	Mn	25	54.93805	7.44	1244	2097	S	+2 +3 +4 +7
Meitnerium	Mt	109		35 (est.)			X S
Mendelevium	Md	101	(258)	1521			X S
Mercury	Hg	80	200.59	13.55	-38.9	356.6	L	+1 +2
Molybdenum	Mo	42	95.94	10.28	2617	5560	S	+3 +6
Neodymium	Nd	60	144.24	7.00	1010	3127	S	+3
Neon	Ne	10	20.1797	0.84	-248.7	-246.1	G	0
Neptunium	Np	93	(237)	20.48	640	3902	S	+3 +4 +5 +6
Nickel	Ni	28	58.69	8.91	1453	2732	S	+2 +3
Niobium	Nb	41	92.90638	8.58	2468	4927	S	+3 +5
Nitrogen	N	7	14.00674	1.17	-209.9	-195.8	D G	-3 +3 +5
Nobelium	No	102	(259)	1521			X S
Osmium	Os	76	190.2	22.61	3045	5027	S	+3 +4
Oxygen	O	8	15.9994	1.33	-218.4	-182.9	D G	-2
Palladium	Pd	46	106.42	12.02	1552	3140	S	+2 +4
Phosphorus	P	15	30.973762	1.82	44 (P4)	280 (P4)	S	-3 +3 +5
Platinum	Pt	78	195.08	21.45	1772	3827	S	+2 +4
Plutonium	Pu	94	(244)	19.74	641	3327	S	+3 +4 +5 +6
Polonium	Po	84	208.9824	9.20	254	962	S	+2 +4
Potassium	K	19	39.0983	0.86	63.7	774	S	+1
Praseodymium	Pr	59	140.90765	6.48	931	3212	S	+3
Promethium	Pm	61	146.9151	7.22	1080	2730	S	+3
Protactinium	Pa	91	231.0359	15.37	1554	4030	S	+4 +5
Radium	Ra	88	226.0254	5.50	700	1140	S	+2
Radon	Rn	86	222.0176	9.23	-71	-61.8	G	0
Rhenium	Re	75	186.207	21.03	3180	5627	S	+4 +6 +7
Rhodium	Rh	45	102.9055	12.41	1966	3727	S	+3
Roentgenium	Rg	111		19.282			X S
Rubidium	Rb	37	85.4678	1.53	39	688	S	+1
Ruthenium	Ru	44	101.07	12.45	2310	3900	S	+3
Rutherfordium	Rf	104		18.1			X S
Samarium	Sm	62	150.36	7.54	1072	1778	S	+2 +3
Scandium	Sc	21	44.95591	2.99	1539	2832	S	+3
Seaborgium	Sg	106		35 (est.)			X S
Selenium	Se	34	78.96	4.82	217	685	S	-2 +4 +6
Silver	Ag	47	107.8682	10.49	961.9	2212	S	+1
Silicon	Si	14	28.0855	2.33	1410	2355	S	-4 +2 +4
Sodium	Na	11	22.989768	0.97	97.8	892	S	+1
Strontium	Sr	38	87.62	2.63	769	1384	S	+2
Sulfur	S	16	32.066	2.06	113	444.7	S	-2 +4 +6
Tantalum	Ta	73	180.9479	16.68	2996	5425	S	+5
Technetium	Tc	43	98.9063	11.49	2172	5030	S	+4 +6 +7
Tellurium	Te	52	127.6	6.25	449.6	990	S	-2 +4 +6
Terbium	Tb	65	158.92534	8.25	1360	3041	S	+3
Thallium	Tl	81	204.3833	11.85	303.6	1457	S	+1 +3
Thorium	Th	90	232.0381	11.72	1750	4787	S	+4
Thulium	Tm	69	168.93421	9.32	1545	1727	S	+3
Tin	Sn	50	118.71	7.29	232	2270	S	+2 +4
Titanium	Ti	22	47.88	4.51	1660	3260	S	+2 +3 +4
Tungsten	W	74	183.85	19.26	3407	5927	S	+6
Ununhexium	Uuh	116		9.32			X
Ununoctium	Uuo	118					X
Ununpentium	Uup	115		9.807			X
Ununquadium	Uuq	114		11.342			X
Ununseptium	Uus	117					X
Ununtrium	Uut	113		11.85			X
Uranium	U	92	238.0289	18.97	1132.4	3818	S	+3 +4 +5 +6
Vanadium	V	23	50.9415	6.09	1890	3380	S	+2 +3 +4 +5
Xenon	Xe	54	131.29	4.49	-111.9	-107	G	0 +2 +4 +6
Ytterbium	Yb	70	173.04	6.97	824	1193	S	+2 +3
Yttrium	Y	39	88.90585	4.47	1523	3337	S	+3
Zinc	Zn	30	65.39	7.14	419.6	907	S	+2
Zirconium	Zr	40	91.224	6.51	1852	4377	S	+4

(*) Phase at STP, where S is solid, L is liquid, and G is gas. X is for synthetic (laboratory) elements, and D is for diatomic elements.

(**) Most common oxidation states, not an exhaustive list.

Atomic weights in parentheses are the atomic weights for the most stable isotope.