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*WIKI-LIST OF ELEMENTS GROUPED BY ‘ATOMIC PROPERTIES’*

List of elements by atomic properties

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This is a list of chemical elements and their atomic properties, ordered by Atomic number.

Since valence electrons are not clearly defined for the d-block and f-block elements, there not being a clear point at which further ionisation becomes unprofitable, a purely formal definition as number of electrons in the outermost shell has been used.

Table[edit]

Z	Name	Symbol	Average atomic mass	Electronegativity (Pauling)	First Ionization Energy (eV)	Radii (pm)	Valence electrons
	Atomic	Van der Waals	Covalent
1	Hydrogen	H	1.007	2.2	13.59844	25	120	38	1
2	Helium	He	4.002602(2)	no data	24.58741	31	140	32	2
3	Lithium	Li	6.941(2)	0.98	5.39172	145	182	134	1
4	Beryllium	Be	9.012182(3)	1.57	9.3227	105	no data	90	2
5	Boron	B	10.811(7)	2.04	8.29803	85	no data	82	3
6	Carbon	C	12.0107(8)	2.55	11.2603	70	170	77	4
7	Nitrogen	N	14.0067(2)	3.04	14.53414	65	155	75	5
8	Oxygen	O	15.9994(3)	3.44	13.61806	60	152	73	6
9	Fluorine	F	18.9984032(5)	3.98	17.42282	50	147	71	7
10	Neon	Ne	20.1797(6)	no data	21.5646	38	154	69	8
11	Sodium	Na	22.98976928(2)	0.93	5.13908	180	227	154	1
12	Magnesium	Mg	24.3050(6)	1.31	7.64624	150	173	130	2
13	Aluminium	Al	26.9815386(8)	1.61	5.98577	125	no data	118	3
14	Silicon	Si	28.0855(3)	1.9	8.15169	110	210	111	4
15	Phosphorus	P	30.973762(2)	2.19	10.48669	100	180	106	5
16	Sulfur	S	32.065(5)	2.58	10.36001	100	180	102	6
17	Chlorine	Cl	35.453(2)	3.16	12.96764	100	175	99	7
18	Argon	Ar	39.948(1)	no data	15.75962	71	188	97	8
19	Potassium	K	39.0983(1)	0.82	4.34066	220	275	196	1
20	Calcium	Ca	40.078(4)	1	6.11316	180	no data	174	2
21	Scandium	Sc	44.955912(6)	1.36	6.5615	160	no data	144	2
22	Titanium	Ti	47.867(1)	1.54	6.8281	140	no data	136	2
23	Vanadium	V	50.9415(1)	1.63	6.7462	135	no data	125	2
24	Chromium	Cr	51.9961(6)	1.66	6.7665	140	no data	127	1
25	Manganese	Mn	54.938045(5)	1.55	7.43402	140	no data	139	2
26	Iron	Fe	55.845(2)	1.83	7.9024	140	no data	125	2
27	Cobalt	Co	58.933195(5)	1.91	7.6398	135	163	121	2
28	Nickel	Ni	58.6934(4)	1.88	7.881	135	no data	126	2
29	Copper	Cu	63.546(3)	1.9	7.72638	135	140	138	1
30	Zinc	Zn	65.38(2)	1.65	9.3942	135	139	131	2
31	Gallium	Ga	69.723(1)	1.81	5.9993	130	187	126	3
32	Germanium	Ge	72.63(1)	2.01	7.8994	125	no data	122	4
33	Arsenic	As	74.92160(2)	2.18	9.7886	115	185	119	5
34	Selenium	Se	78.96(3)	2.55	9.75238	115	190	116	6
35	Bromine	Br	79.904(1)	2.96	11.81381	115	185	114	7
36	Krypton	Kr	83.798(2)	3	13.99961	88	202	110	8
37	Rubidium	Rb	85.4678(3)	0.82	4.17713	235	no data	211	1
38	Strontium	Sr	87.62(1)	0.95	5.6949	200	no data	192	2
39	Yttrium	Y	88.90585(2)	1.22	6.2171	180	no data	162	2
40	Zirconium	Zr	91.224(2)	1.33	6.6339	155	no data	148	2
41	Niobium	Nb	92.90638(2)	1.6	6.75885	145	no data	137	1
42	Molybdenum	Mo	95.96(2)	2.16	7.09243	145	no data	145	1
43	Technetium	Tc	[98]	1.9	7.28	135	no data	156	1
44	Ruthenium	Ru	101.07(2)	2.2	7.3605	130	no data	126	1
45	Rhodium	Rh	102.90550(2)	2.28	7.4589	135	no data	135	1
46	Palladium	Pd	106.42(1)	2.2	8.3369	140	163	131
47	Silver	Ag	107.8682(2)	1.93	7.5762	160	172	153	1
48	Cadmium	Cd	112.411(8)	1.69	8.9938	155	158	148	2
49	Indium	In	114.818(3)	1.78	5.78636	155	193	144	3
50	Tin	Sn	118.710(7)	1.96	7.3439	145	217	141	4
51	Antimony	Sb	121.760(1)	2.05	8.6084	145	no data	138	5
52	Tellurium	Te	127.60(3)	2.1	9.0096	140	206	135	6
53	Iodine	I	126.90447(3)	2.66	10.45126	140	198	133	7
54	Xenon	Xe	131.293(6)	2.6	12.1298	108	216	130	8
55	Caesium	Cs	132.9054519(2)	0.79	3.8939	260	no data	225	1
56	Barium	Ba	137.327(7)	0.89	5.2117	215	no data	198	2
57	Lanthanum	La	138.90547(7)	1.1	5.5769	195	no data	169	2
58	Cerium	Ce	140.116(1)	1.12	5.5387	185	no data	no data	2
59	Praseodymium	Pr	140.90765(2)	1.13	5.473	185	no data	no data	2
60	Neodymium	Nd	144.242(3)	1.14	5.525	185	no data	no data	2
61	Promethium	Pm	[145]	no data	5.582	185	no data	no data	2
62	Samarium	Sm	150.36(2)	1.17	5.6436	185	no data	no data	2
63	Europium	Eu	151.964(1)	no data	5.6704	185	no data	no data	2
64	Gadolinium	Gd	157.25(3)	1.2	6.1501	180	no data	no data	2
65	Terbium	Tb	158.92535(2)	no data	5.8638	175	no data	no data	2
66	Dysprosium	Dy	162.500(1)	1.22	5.9389	175	no data	no data	2
67	Holmium	Ho	164.93032(2)	1.23	6.0215	175	no data	no data	2
68	Erbium	Er	167.259(3)	1.24	6.1077	175	no data	no data	2
69	Thulium	Tm	168.93421(2)	1.25	6.18431	175	no data	no data	2
70	Ytterbium	Yb	173.054(5)	no data	6.25416	175	no data	no data	2
71	Lutetium	Lu	174.9668(1)	1.27	5.4259	175	no data	160	2
72	Hafnium	Hf	178.49(2)	1.3	6.82507	155	no data	150	2
73	Tantalum	Ta	180.94788(2)	1.5	7.5496	145	no data	138	2
74	Tungsten	W	183.84(1)	2.36	7.864	135	no data	146	2
75	Rhenium	Re	186.207(1)	1.9	7.8335	135	no data	159	2
76	Osmium	Os	190.23(3)	2.2	8.4382	130	no data	128	2
77	Iridium	Ir	192.217(3)	2.2	8.967	135	no data	137	2
78	Platinum	Pt	195.084(9)	2.28	8.9587	135	175	128	1
79	Gold	Au	196.966569(4)	2.54	9.2255	135	166	144	1
80	Mercury	Hg	200.59(2)	2	10.4375	150	155	149	2
81	Thallium	Tl	204.3833(2)	1.62	6.1082	190	196	148	3
82	Lead	Pb	207.2(1)	2.33	7.41666	180	202	147	4
83	Bismuth	Bi	208.98040(1)	2.02	7.2856	160	no data	146	5
84	Polonium	Po	[209]	2	8.417	190	no data	no data	6
85	Astatine	At	[210]	2.2		no data	no data	no data	7
86	Radon	Rn	[222]	no data	10.7485	120	no data	145	8
87	Francium	Fr	[223]	0.7	4.0727	no data	no data	no data	1
88	Radium	Ra	[226]	0.9	5.2784	215	no data	no data	2
89	Actinium	Ac	[227]	1.1	5.17	195	no data	no data	2
90	Thorium	Th	232.03806(2)	1.3	6.3067	180	no data	no data	2
91	Protactinium	Pa	231.03588(2)	1.5	5.89	180	no data	no data	2
92	Uranium	U	238.02891(3)	1.38	6.19405	175	186	no data	2
93	Neptunium	Np	[237]	1.36	6.2657	175	no data	no data	2
94	Plutonium	Pu	[244]	1.28	6.0262	175	no data	no data	2
95	Americium	Am	[243]	1.3	5.9738	175	no data	no data	2
96	Curium	Cm	[247]	1.3	5.9915				2
97	Berkelium	Bk	[247]	1.3	6.1979				2
98	Californium	Cf	[251]	1.3	6.2817				2
99	Einsteinium	Es	[252]	1.3	6.42				2
100	Fermium	Fm	[257]	1.3	6.5				2
101	Mendelevium	Md	[258]	1.3	6.58				2
102	Nobelium	No	[259]	1.3	6.65				2
103	Lawrencium	Lr	[266]	1.3	4.9				3
104	Rutherfordium	Rf	[267]		6
105	Dubnium	Db	[268]
106	Seaborgium	Sg	[269]
107	Bohrium	Bh	[270]
108	Hassium	Hs	[277]
109	Meitnerium	Mt	[278]
110	Darmstadtium	Ds	[281]
111	Roentgenium	Rg	[282]
112	Copernicium	Cn	[285]
113	Nihonium	Nh	[286]
114	Flerovium	Fl	[289]
115	Moscovium	Mc	[290]
116	Livermorium	Lv	[293]
117	Tennessine	Ts	[294]
118	Oganesson	Og	[294]

• a few atomic radii are calculated, not experimental

hidevtePeriodic table
Periodic table forms	Standard18-column32-columnAlternativeAlternativesJanet’s left step tableExtendedExtension beyond the 7th period AufbauFrickePyykkö
Sets of elements	By periodic table structureGroups1 (Alkali metals)2 (Alkaline earth metals)3456789101112131415 (Pnictogens)16 (Chalcogens)17 (Halogens)18 (Noble gases)Periods12345678+ AufbauFrickePyykköBlockss-blockp-blockd-blockf-blockg-blockAufbau principleBy metallicityMetalsAlkali metalsAlkaline earth metalsLanthanidesActinidesTransition metalsPost-transition metalsMetalloidsLists of metalloids by sourceDividing lineNonmetalsReactive nonmetalsNoble gasesOther setsPlatinum-group metals (PGM)Rare-earth elementsRefractory metalsPrecious metalsCoinage metalsNoble metalHeavy metalsNative metalsTransuranium elementsSuperheavy elementsMajor actinidesMinor actinides
Elements	ListsBy: Abundance (in humans)Atomic propertiesNuclear stabilityProductionSymbolPropertiesCrystal structureElectron configurationElectronegativityGoldschmidt classificationTerm symbolData pagesAbundanceAtomic radiusBoiling pointCritical pointDensityElasticityElectrical resistivityElectron affinityElectron configurationElectronegativityHardnessHeat capacityHeat of fusionHeat of vaporizationIonization energyMelting pointOxidation stateSpeed of soundThermal conductivityThermal expansion coefficientVapor pressure
History	Element discoveries Mendeleev’s predictionsNaming etymologycontroversiesfor placesfor peoplein East Asia
See also	IUPAC nomenclaturesystematic element nameTrivial nameDmitri Mendeleev
Book Category

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• Lists of chemical elements

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