Periodic Table

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	1 IA	2 IIA	3 IIIB	4 IVB	5 VB	6 VIB	7 VIIB	8 VIII	9 VIII	10 VIII	11 IB	12 IIB	13 IIIA	14 IVA	15 VA	16 VIA	17 VIIA	18 VIIIA
1	1 H Hydrogen																	2 He Helium
2	3 Li Lithium	4 Be Beryllium											5 B Boron	6 C Carbon	7 N Nitrogen	8 O Oxygen	9 F Fluorine	10 Ne Neon
3	11 Na Sodium	12 Mg Magnesium											13 Al Aluminium	14 Si Silicon	15 P Phosphorus	16 S Sulfur	17 Cl Chlorine	18 Ar Argon
4	19 K Potassium	20 Ca Calcium	21 Sc Scandium	22 Ti Titanium	23 V Vanadium	24 Cr Chromium	25 Mn Manganese	26 Fe Iron	27 Co Cobalt	28 Ni Nickel	29 Cu Copper	30 Zn Zinc	31 Ga Gallium	32 Ge Germanium	33 As Arsenic	34 Se Selenium	35 Br Bromine	36 Kr Krypton
5	37 Rb Rubidium	38 Sr Strontium	39 Y Yttrium	40 Zr Zirconium	41 Nb Niobium	42 Mo Molybdenum	43 Tc Technetium	44 Ru Ruthenium	45 Rh Rhodium	46 Pd Palladium	47 Ag Silver	48 Cd Cadmium	49 In Indium	50 Sn Tin	51 Sb Antimony	52 Te Tellurium	53 I Iodine	54 Xe Xenon
6	55 Cs Caesium	56 Ba Barium	*	72 Hf Hafnium	73 Ta Tantalum	74 W Tungsten	75 Re Rhenium	76 Os Osmium	77 Ir Iridium	78 Pt Platinum	79 Au Gold	80 Hg Mercury	81 Tl Thallium	82 Pb Lead	83 Bi Bismuth	84 Po Polonium	85 At Astatine	86 Rn Radon
7	87 Fr Francium	88 Ra Radium	**	104 Rf Rutherfordium	105 Db Dubnium	106 Sg Seaborgium	107 Bh Bohrium	108 Hs Hassium	109 Mt Meitnerium	110 Ds Darmstadtium	111 Rg Roentgenium	112 Cn Copernicium	113 Nh Nihonium	114 Fl Flerovium	115 Mc Moscovium	116 Lv Livermorium	117 Ts Tennessine	118 Og Oganesson
8	119 Uue Ununennium	120 Ubn Unbinilium	121 Ubu Unbiunium
* Lanthanides				57 La Lanthanum	58 Ce Cerium	59 Pr Praseodymium	60 Nd Neodymium	61 Pm Promethium	62 Sm Samarium	63 Eu Europium	64 Gd Gadolinium	65 Tb Terbium	66 Dy Dysprosium	67 Ho Holmium	68 Er Erbium	69 Tm Thulium	70 Yb Ytterbium	71 Lu Lutetium
** Actinides				89 Ac Actinium	90 Th Thorium	91 Pa Protactinium	92 U Uranium	93 Np Neptunium	94 Pu Plutonium	95 Am Americium	96 Cm Curium	97 Bk Berkelium	98 Cf Californium	99 Es Einsteinium	100 Fm Fermium	101 Md Mendelevium	102 No Nobelium	103 Lr Lawrencium

Actinides

Alkali metals

Alkaline earth metals

Halogens

Lanthanides

Metalloids

Noble gases

Reactive nonmetals

Post-transition metals

Transition metals

Unknowns

Table of atomic masses, electronegativities and electron configuration
	Symbol	Atomic number	Atomic mass	Electronegativity	Electron configuration
Hydrogen	H	1	1.00794	2.20	1s¹
Helium	He	2	4.002602		1s²
Lithium	Li	3	6.941	0.98	[He] 2s¹
Beryllium	Be	4	9.0121831	1.57	[He] 2s²
Boron	B	5	10.81	2.04	[He] 2s² 2p¹
Carbon	C	6	12.011	2.55	[He] 2s² 2p²
Nitrogen	N	7	14.007	3.04	[He] 2s² 2p³
Oxygen	O	8	15.999	3.44	[He] 2s² 2p⁴
Fluorine	F	9	18.998403163	3.98	[He] 2s² 2p⁵
Neon	Ne	10	20.1797		[He] 2s² 2p⁶
Sodium	Na	11	22.98976928	0.93	[Ne] 3s¹
Magnesium	Mg	12	24.305	1.31	[Ne] 3s²
Aluminium	Al	13	26.9815384	1.61	[Ne] 3s² 3p¹
Silicon	Si	14	28.085	1.9	[Ne] 3s² 3p²
Phosphorus	P	15	30.973761998	2.19	[Ne] 3s² 3p³
Sulfur	S	16	32.06	2.58	[Ne] 3s² 3p⁴
Chlorine	Cl	17	35.45	3.16	[Ne] 3s² 3p⁵
Argon	Ar	18	39.948		[Ne] 3s² 3p⁶
Potassium	K	19	39.0983	0.82	[Ar] 4s¹
Calcium	Ca	20	40.078	1	[Ar] 4s²
Scandium	Sc	21	44.955908	1.36	[Ar] 3d¹ 4s²
Titanium	Ti	22	47.867	1.54	[Ar] 3d² 4s²
Vanadium	V	23	50.9415	1.63	[Ar] 3d³ 4s²
Chromium	Cr	24	51.9961	1.66	[Ar] 3d⁵ 4s¹
Manganese	Mn	25	54.938043	1.55	[Ar] 3d⁵ 4s²
Iron	Fe	26	55.845	1.83	[Ar] 3d⁶ 4s²
Cobalt	Co	27	58.933194	1.88	[Ar] 3d⁷ 4s²
Nickel	Ni	28	58.6934	1.91	[Ar] 3d⁸ 4s²
Copper	Cu	29	63.546	1.9	[Ar] 3d¹⁰ 4s¹
Zinc	Zn	30	65.38	1.65	[Ar] 3d¹⁰ 4s²
Gallium	Ga	31	69.723	1.81	[Ar] 3d¹⁰ 4s² 4p¹
Germanium	Ge	32	72.630	2.01	[Ar] 3d¹⁰ 4s² 4p²
Arsenic	As	33	74.921595	2.18	[Ar] 3d¹⁰ 4s² 4p³
Selenium	Se	34	78.971	2.55	[Ar] 3d¹⁰ 4s² 4p⁴
Bromine	Br	35	79.904	2.96	[Ar] 3d¹⁰ 4s² 4p⁵
Krypton	Kr	36	83.798	3	[Ar] 3d¹⁰ 4s² 4p⁶
Rubidium	Rb	37	85.4678	0.82	[Kr] 5s¹
Strontium	Sr	38	87.62	0.95	[Kr] 5s²
Yttrium	Y	39	88.90584	1.22	[Kr] 4d¹ 5s²
Zirconium	Zr	40	91.224	1.33	[Kr] 4d² 5s²
Niobium	Nb	41	92.90637	1.6	[Kr] 4d⁴ 5s¹
Molybdenum	Mo	42	95.95	2.16	[Kr] 4d⁵ 5s¹
Technetium	Tc	43	[98]	1.9	[Kr] 4d⁵ 5s²
Ruthenium	Ru	44	101.07	2.2	[Kr] 4d⁷ 5s¹
Rhodium	Rh	45	102.90549	2.28	[Kr] 4d⁸ 5s¹
Palladium	Pd	46	106.42	2.2	[Kr] 4d¹⁰
Silver	Ag	47	107.8682	1.93	[Kr] 4d¹⁰ 5s¹
Cadmium	Cd	48	112.414	1.69	[Kr] 4d¹⁰ 5s²
Indium	In	49	114.818	1.78	[Kr] 4d¹⁰ 5s² 5p¹
Tin	Sn	50	118.710	1.96	[Kr] 4d¹⁰ 5s² 5p²
Antimony	Sb	51	121.760	2.05	[Kr] 4d¹⁰ 5s² 5p³
Tellurium	Te	52	127.60	2.1	[Kr] 4d¹⁰ 5s² 5p⁴
Iodine	I	53	126.90447	2.66	[Kr] 4d¹⁰ 5s² 5p⁵
Xenon	Xe	54	131.293	2.6	[Kr] 4d¹⁰ 5s² 5p⁶
Caesium	Cs	55	132.90545196	0.79	[Xe] 6s¹
Barium	Ba	56	137.327	0.89	[Xe] 6s²
Lanthanum	La	57	138.90547	1.1	[Xe] 5d¹ 6s²
Cerium	Ce	58	140.116	1.12	[Xe] 4f¹ 5d¹ 6s²
Praseodymium	Pr	59	140.90766	1.13	[Xe] 4f³ 6s²
Neodymium	Nd	60	144.242	1.14	[Xe] 4f⁴ 6s²
Promethium	Pm	61	[145]	1.13	[Xe] 4f⁵ 6s²
Samarium	Sm	62	150.36	1.17	[Xe] 4f⁶ 6s²
Europium	Eu	63	151.964	1.2	[Xe] 4f⁷ 6s²
Gadolinium	Gd	64	157.25	1.2	[Xe] 4f⁷ 5d¹ 6s²
Terbium	Tb	65	158.925354	1.2	[Xe] 4f⁹ 6s²
Dysprosium	Dy	66	162.500	1.22	[Xe] 4f¹⁰ 6s²
Holmium	Ho	67	164.930328	1.23	[Xe] 4f¹¹ 6s²
Erbium	Er	68	167.259	1.24	[Xe] 4f¹² 6s²
Thulium	Tm	69	168.934218	1.25	[Xe] 4f¹³ 6s²
Ytterbium	Yb	70	173.045	1.1	[Xe] 4f¹⁴ 6s²
Lutetium	Lu	71	174.9668	1.27	[Xe] 4f¹⁴ 5d¹ 6s²
Hafnium	Hf	72	178.49	1.3	[Xe] 4f¹⁴ 5d² 6s²
Tantalum	Ta	73	180.94788	1.5	[Xe] 4f¹⁴ 5d³ 6s²
Tungsten	W	74	183.84	2.36	[Xe] 4f¹⁴ 5d⁴ 6s²
Rhenium	Re	75	186.207	1.9	[Xe] 4f¹⁴ 5d⁵ 6s²
Osmium	Os	76	190.23	2.2	[Xe] 4f¹⁴ 5d⁶ 6s²
Iridium	Ir	77	192.217	2.2	[Xe] 4f¹⁴ 5d⁷ 6s²
Platinum	Pt	78	195.084	2.28	[Xe] 4f¹⁴ 5d⁹ 6s¹
Gold	Au	79	196.966570	2.54	[Xe] 4f¹⁴ 5d¹⁰ 6s¹
Mercury	Hg	80	200.592	2	[Xe] 4f¹⁴ 5d¹⁰ 6s²
Thallium	Tl	81	204.38	1.62	[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p¹
Lead	Pb	82	207.2	1.87	[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p²
Bismuth	Bi	83	208.98040	2.02	[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³
Polonium	Po	84	[209]	2.0	[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴
Astatine	At	85	[210]	2.2	[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁵
Radon	Rn	86	[222]	2.2	[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁶
Francium	Fr	87	[223]	0.7	[Rn] 7s¹
Radium	Ra	88	[226]	0.9	[Rn] 7s²
Actinium	Ac	89	[227]	1.1	[Rn] 6d¹ 7s²
Thorium	Th	90	232.0377	1.3	[Rn] 6d² 7s²
Protactinium	Pa	91	231.03588	1.5	[Rn] 5f² 6d¹ 7s²
Uranium	U	92	238.02891	1.38	[Rn] 5f³ 6d¹ 7s²
Neptunium	Np	93	[237]	1.36	[Rn] 5f⁴ 6d¹ 7s²
Plutonium	Pu	94	[244]	1.28	[Rn] 5f⁶ 7s²
Americium	Am	95	[243]	1.13	[Rn] 5f⁷ 7s²
Curium	Cm	96	[247]	1.28	[Rn] 5f⁷ 6d¹ 7s²
Berkelium	Bk	97	[247]	1.3	[Rn] 5f⁹ 7s²
Californium	Cf	98	[251]	1.3	[Rn] 5f¹⁰ 7s²
Einsteinium	Es	99	[252]	1.3	[Rn] 5f¹¹ 7s²
Fermium	Fm	100	[257]	1.3	[Rn] 5f¹² 7s²
Mendelevium	Md	101	[258]	1.3	[Rn] 5f¹³ 7s²
Nobelium	No	102	[259]	1.3	[Rn] 5f¹⁴ 7s²
Lawrencium	Lr	103	[266]	1.3	[Rn] 5f¹⁴ 7s² 7p¹
Rutherfordium	Rf	104	[267]		[Rn] 5f¹⁴ 6d² 7s²
Dubnium	Db	105	[268]		[Rn] 5f¹⁴ 6d³ 7s²
Seaborgium	Sg	106	[269]		[Rn] 5f¹⁴ 6d⁴ 7s²
Bohrium	Bh	107	[270]		[Rn] 5f¹⁴ 6d⁵ 7s²
Hassium	Hs	108	[270]		[Rn] 5f¹⁴ 6d⁶ 7s²
Meitnerium	Mt	109	[278]		[Rn] 5f¹⁴ 6d⁷ 7s²
Darmstadtium	Ds	110	[281]		[Rn] 5f¹⁴ 6d⁸ 7s²
Roentgenium	Rg	111	[282]		[Rn] 5f¹⁴ 6d⁹ 7s²
Copernicium	Cn	112	[285]		[Rn] 5f¹⁴ 6d¹⁰ 7s²
Nihonium	Nh	113	[286]		[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹
Flerovium	Fl	114	[289]		[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²
Moscovium	Mc	115	[290]		[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³
Livermorium	Lv	116	[293]		[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁴
Tennessine	Ts	117	[294]		[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵
Oganesson	Og	118	[294]		[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶
Ununennium	Uue	119	315	0.86	[Og] 8s¹
Unbinilium	Ubn	120	299	0.91	[Og] 8s²
Unbiunium	Ubu	121	None		[Og] 8s² 8p¹

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