Table of Elements (click on column heading to sort)

Element Name	Symbol	Atomic Number	Atomic Weight	Electron Configuration	Atomic Radius (pm)	Electronegativity
Hydrogen	H	1	1.007940	1s1	25	2.2
Helium	He	2	4.002602	1s2	no data	–
Lithium	Li	3	6.941000	[He] 2s1	145	.98
Beryllium	Be	4	9.012182	[He] 2s2	105	1.57
Boron	B	5	10.811000	[He] 2s22p1	85	2.04
Carbon	C	6	12.010700	[He] 2s22p2	70	2.55
Nitrogen	N	7	14.006740	[He] 2s22p3	65	3.04
Oxygen	O	8	15.999400	[He] 2s22p4	60	3.44
Fluorine	F	9	18.998403	[He] 2s22p5	50	3.98
Neon	Ne	10	20.179700	[He] 2s22p6	no data	–
Sodium	Na	11	22.989770	[Ne] 3s1	180	.93
Magnesium	Mg	12	24.305000	[Ne] 3s2	150	1.31
Aluminium	Al	13	26.981538	[Ne] 3s23p1	125	1.61
Silicon	Si	14	28.085500	[Ne] 3s23p2	110	1.9
Phosphorus	P	15	30.973762	[Ne] 3s23p3	100	2.19
Sulfur	S	16	32.066000	[Ne] 3s23p4	100	2.58
Chlorine	Cl	17	35.452700	[Ne] 3s23p5	100	3.16
Argon	Ar	18	39.948000	[Ne] 3s23p6	71	–
Potassium	K	19	39.098300	[Ar] 4s1	220	.82
Calcium	Ca	20	40.078000	[Ar] 4s2	180	1.
Scandium	Sc	21	44.955910	[Ar] 3d14s2	160	1.36
Titanium	Ti	22	47.867000	[Ar] 3d24s2	140	1.54
Vanadium	V	23	50.941500	[Ar] 3d34s2	135	1.63
Chromium	Cr	24	51.996100	[Ar] 3d54s1	140	1.66
Manganese	Mn	25	54.938049	[Ar] 3d54s2	140	1.55
Iron	Fe	26	55.845000	[Ar] 3d64s2	140	1.83
Cobalt	Co	27	58.933200	[Ar] 3d74s2	135	1.88
Nickel	Ni	28	58.693400	[Ar] 3d84s2	135	1.91
Copper	Cu	29	63.546000	[Ar] 3d104s1	135	1.9
Zinc	Zn	30	65.390000	[Ar] 3d104s2	135	1.65
Gallium	Ga	31	69.723000	[Ar] 3d104s24p1	130	1.81
Germanium	Ge	32	72.610000	[Ar] 3d104s24p2	125	2.01
Arsenic	As	33	74.921600	[Ar] 3d104s24p3	115	2.18
Selenium	Se	34	78.960000	[Ar] 3d104s24p4	115	2.55
Bromine	Br	35	79.904000	[Ar] 3d104s24p5	115	2.96
Krypton	Kr	36	83.800000	[Ar] 3d104s24p6	no data	3.
Rubidium	Rb	37	85.467800	[Kr] 5s1	235	.82
Strontium	Sr	38	87.620000	[Kr] 5s2	200	.95
Yttrium	Y	39	88.905850	[Kr] 4d15s2	180	1.22
Zirconium	Zr	40	91.224000	[Kr] 4d25s2	155	1.33
Niobium	Nb	41	92.906380	[Kr] 4d45s1	145	1.6
Molybdenum	Mo	42	95.940000	[Kr] 4d55s1	145	2.16
Technetium	Tc	43	98.000000	[Kr] 4d65s1	135	1.9
Ruthenium	Ru	44	101.070000	[Kr] 4d75s1	130	2.2
Rhodium	Rh	45	102.905500	[Kr] 4d85s1	135	2.28
Palladium	Pd	46	106.420000	[Kr] 4d10	140	2.2
Silver	Ag	47	107.868200	[Kr] 4d105s1	160	1.93
Cadmium	Cd	48	112.411000	[Kr] 4d105s2	155	1.69
Indium	In	49	114.818000	[Kr] 4d105s25p1	155	1.78
Tin	Sn	50	118.710000	[Kr] 4d105s25p2	145	1.96
Antimony	Sb	51	121.760000	[Kr] 4d105s25p3	145	2.05
Tellurium	Te	52	127.600000	[Kr] 4d105s25p4	140	2.1
Iodine	I	53	126.904470	[Kr] 4d105s25p5	140	2.66
Xenon	Xe	54	131.290000	[Kr] 4d105s25p6	no data	2.6
Cesium	Cs	55	132.905450	[Xe] 6s1	260	.79
Barium	Ba	56	137.327000	[Xe] 6s2	215	.89
Lanthanum	La	57	138.905500	[Xe] 5d16s2	195	1.1
Cerium	Ce	58	140.116000	[Xe] 4f15d16s2	185	1.12
Praseodymium	Pr	59	140.907650	[Xe] 4f36s2	185	1.13
Neodymium	Nd	60	144.240000	[Xe] 4f46s2	185	1.14
Promethium	Pm	61	145.000000	[Xe] 4f56s2	185	1.13
Samarium	Sm	62	150.360000	[Xe] 4f66s2	185	1.17
Europium	Eu	63	151.964000	[Xe] 4f76s2	185	1.2
Gadolinium	Gd	64	157.250000	[Xe] 4f75d16s2	180	1.2
Terbium	Tb	65	158.925340	[Xe] 4f96s2	175	1.2
Dysprosium	Dy	66	162.500000	[Xe] 4f106s2	175	1.22
Holmium	Ho	67	164.930320	[Xe] 4f116s2	175	1.23
Erbium	Er	68	167.260000	[Xe] 4f126s2	175	1.24
Thulium	Tm	69	168.934210	[Xe] 4f136s2	175	1.25
Ytterbium	Yb	70	173.040000	[Xe] 4f146s2	175	1.1
Lutetium	Lu	71	174.967000	[Xe] 4f145d16s2	175	1.27
Hafnium	Hf	72	178.490000	[Xe] 4f145d26s2	155	1.3
Tantalum	Ta	73	180.947900	[Xe] 4f145d36s2	145	1.5
Tungsten	W	74	183.840000	[Xe] 4f145d46s2	135	2.36
Rhenium	Re	75	186.207000	[Xe] 4f145d56s2	135	1.9
Osmium	Os	76	190.230000	[Xe] 4f145d66s2	130	2.2
Iridium	Ir	77	192.217000	[Xe] 4f145d76s2	135	2.2
Platinum	Pt	78	195.078000	[Xe] 4f145d96s1	135	2.28
Gold	Au	79	196.966550	[Xe] 4f145d106s1	135	2.54
Mercury	Hg	80	200.590000	[Xe] 4f145d106s2	150	2.
Thallium	Tl	81	204.383300	[Xe] 4f145d106s26p1	190	1.62
Lead	Pb	82	207.200000	[Xe] 4f145d106s26p2	180	1.87
Bismuth	Bi	83	208.980380	[Xe] 4f145d106s26p3	160	2.02
Polonium	Po	84	210.000000	[Xe] 4f145d106s26p4	190	2.
Astatine	At	85	210.000000	[Xe] 4f145d106s26p5	no data	2.2
Radon	Rn	86	222.000000	[Xe] 4f145d106s26p6	no data	2.2
Francium	Fr	87	223.000000	[Rn] 7s1	no data	.7
Radium	Ra	88	226.000000	[Rn] 7s2	215	.9
Actinium	Ac	89	227.000000	[Rn] 6d17s2	195	1.1
Thorium	Th	90	232.038100	[Rn] 6d27s2	180	1.3
Protactinium	Pa	91	231.035880	[Rn] 5f26d17s2	180	1.5
Uranium	U	92	238.028900	[Rn] 5f36d17s2	175	1.38
Neptunium	Np	93	237.048200	[Rn] 5f46d17s2	175	1.36
Plutonium	Pu	94	244.000000	[Rn] 5f67s2	175	1.28
Americium	Am	95	243.000000	[Rn] 5f77s2	175	1.13
Curium	Cm	96	247.000000	[Rn] 5f76d17s2	no data	1.28
Berkelium	Bk	97	247.000000	[Rn] 5f97s2	no data	1.3
Californium	Cf	98	251.000000	[Rn] 5f107s2	no data	1.3
Einsteinium	Es	99	252.000000	[Rn] 5f117s2	no data	1.3
Fermium	Fm	100	257.000000	[Rn] 5f127s2	no data	1.3
Mendelevium	Md	101	258.000000	[Rn] 5f137s2	no data	1.3
Nobelium	No	102	259.000000	[Rn] 5f147s2	no data	1.3
Lawrencium	Lr	103	262.000000	[Rn] 5f147s27p1	no data	1.3
Rutherfordium	Rf	104	261.000000	[Rn] 5f146d27s2	no data	–
Dubnium	Db	105	262.000000	[Rn] 5f146d37s2	no data	–
Seaborgium	Sg	106	266.000000	[Rn] 5f146d47s2	no data	–
Bohrium	Bh	107	264.000000	[Rn] 5f146d57s2	no data	–
Hassium	Hs	108	269.000000	[Rn] 5f146d67s2	no data	–
Meitnerium	Mt	109	268.000000	[Rn] 5f146d77s2	no data	–
Darmstadtium	Ds	110	269.000000	[Rn] 5f146d97s1	no data	–
Roentgenium	Rg	111	272.000000	[Rn] 5f146d107s1	no data	–
Copernicium	Cn	112	277.000000	[Rn] 5f146d107s2	no data	–
Ununtrium	Uut	113	286.000000	[Rn] 5f146d107s27p1	no data	–
Flerovium	Fl	114	289.000000	[Rn] 5f146d107s27p2	no data	–
Ununpentium	Uup	115	289.000000	[Rn] 5f146d107s27p3	no data	–
Livermorium	Lv	116	293.000000	[Rn] 5f146d107s27p4	no data	–
Ununseptium	Uus	117	294.000000	[Rn] 5f146d107s27p5	no data	–
Ununoctium	Uuo	118	294.000000	[Rn] 5f146d107s27p6	no data	–

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