Template:Periodic table (18 columns, detailed cells)

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Periodic table (large cells, 18-column layout)

Group →	1	2	3		4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
	Alkali metal	Alkaline earth metal												Boron group	Carbon group	Pnictogen	Chalcogen	Halogen	Noble gas
CAS:	IA	IIA	IIIB		IVB	VB	VIB	VIIB	VIIIB			IB	IIB	IIIA	IVA	VA	VIA	VIIA	VIIIA
old IUPAC:	IA	IIA	IIIA		IVA	VA	VIA	VIIA	VIII			IB	IIB	IIIB	IVB	VB	VIB	VIIB	0
Period ↓ 1 Period ↓	Hydrogen 1 H   1.008 [1.0078, 1.0082]	→element name atomic number chemical symbol standard atomic weight																	Chemistry:Helium 2 He  4.0026 4.002602(2)
2	Chemistry:Lithium 3 Li  6.94 [6.938, 6.997]	Chemistry:Beryllium 4 Be  9.0122 9.0121831(5)												Chemistry:Boron 5 B   10.81 [10.806, 10.821]	Chemistry:Carbon 6 C   12.011 [12.009, 12.012]	Chemistry:Nitrogen 7 N   14.007 [14.006, 14.008]	Chemistry:Oxygen 8 O   15.999 [15.999, 16.000]	Chemistry:Fluorine 9 F   18.998 18.998403163(6)	Chemistry:Neon 10 Ne  20.180 20.1797(6)
3	Chemistry:Sodium 11 Na  22.990 22.98976928(2)	Chemistry:Magnesium 12 Mg  24.305 [24.304, 24.307]												Chemistry:Aluminium 13 Al  26.982 26.9815384(3)	Chemistry:Silicon 14 Si  28.085 [28.084, 28.086]	Chemistry:Phosphorus 15 P   30.974 30.973761998(5)	Chemistry:Sulfur 16 S   32.06 [32.059, 32.076]	Chemistry:Chlorine 17 Cl  35.45 [35.446, 35.457]	Chemistry:Argon 18 Ar  39.95 [39.792, 39.963]
4	Chemistry:Potassium 19 K   39.098 39.0983(1)	Chemistry:Calcium 20 Ca  40.078(4) 40.078(4)	Chemistry:Scandium 21 Sc  44.956 44.955908(5)		Chemistry:Titanium 22 Ti  47.867 47.867(1)	Chemistry:Vanadium 23 V   50.942 50.9415(1)	Chemistry:Chromium 24 Cr  51.996 51.9961(6)	Chemistry:Manganese 25 Mn  54.938 54.938043(2)	Chemistry:Iron 26 Fe  55.845(2) 55.845(2)	Chemistry:Cobalt 27 Co  58.933 58.933194(3)	Chemistry:Nickel 28 Ni  58.693 58.6934(4)	Chemistry:Copper 29 Cu  63.546(3) 63.546(3)	Chemistry:Zinc 30 Zn  65.38(2) 65.38(2)	Chemistry:Gallium 31 Ga  69.723 69.723(1)	Chemistry:Germanium 32 Ge  72.630(8) 72.630(8)	Chemistry:Arsenic 33 As  74.922 74.921595(6)	Chemistry:Selenium 34 Se  78.971(8) 78.971(8)	Chemistry:Bromine 35 Br  79.904 [79.901, 79.907]	Chemistry:Krypton 36 Kr  83.798(2) 83.798(2)
5	Chemistry:Rubidium 37 Rb  85.468 85.4678(3)	Chemistry:Strontium 38 Sr  87.62 87.62(1)	Chemistry:Yttrium 39 Y   88.906 88.90584(1)		Chemistry:Zirconium 40 Zr  91.224(2) 91.224(2)	Chemistry:Niobium 41 Nb  92.906 92.90637(1)	Chemistry:Molybdenum 42 Mo  95.95 95.95(1)	Chemistry:Technetium 43 Tc  [97]	Chemistry:Ruthenium 44 Ru  101.07(2) 101.07(2)	Chemistry:Rhodium 45 Rh  102.91 102.90549(2)	Chemistry:Palladium 46 Pd  106.42 106.42(1)	Chemistry:Silver 47 Ag  107.87 107.8682(2)	Cadmium 48 Cd  112.41 112.414(4)	Chemistry:Indium 49 In  114.82 114.818(1)	Chemistry:Tin 50 Sn  118.71 118.710(7)	Chemistry:Antimony 51 Sb  121.76 121.760(1)	Chemistry:Tellurium 52 Te  127.60(3) 127.60(3)	Chemistry:Iodine 53 I   126.90 126.90447(3)	Chemistry:Xenon 54 Xe  131.29 131.293(6)
6	Chemistry:Caesium 55 Cs  132.91 132.90545196(6)	Chemistry:Barium 56 Ba  137.33 137.327(7)	Chemistry:Lanthanum 57 La  138.91 138.90547(7)	58–71	Chemistry:Hafnium 72 Hf  178.49(2) 178.486(6)	Chemistry:Tantalum 73 Ta  180.95 180.94788(2)	Chemistry:Tungsten 74 W  183.84 183.84(1)	Chemistry:Rhenium 75 Re  186.21 186.207(1)	Chemistry:Osmium 76 Os  190.23(3) 190.23(3)	Chemistry:Iridium 77 Ir  192.22 192.217(2)	Platinum 78 Pt  195.08 195.084(9)	Chemistry:Gold 79 Au  196.97 196.966570(4)	Chemistry:Mercury 80 Hg  200.59 200.592(3)	Chemistry:Thallium 81 Tl  204.38 [204.38, 204.39]	Chemistry:Lead 82 Pb  207.2±1.1 207.2(1)	Chemistry:Bismuth 83 Bi  208.98 208.98040(1)	Chemistry:Polonium 84 Po  [209]	Chemistry:Astatine 85 At  [210]	Chemistry:Radon 86 Rn  [222]
7	Chemistry:Francium 87 Fr  [223]	Chemistry:Radium 88 Ra  [226]	Chemistry:Actinium 89 Ac  [227]	90–103	Chemistry:Rutherfordium 104 Rf  [267]	Chemistry:Dubnium 105 Db  [268]	Chemistry:Seaborgium 106 Sg  [269]	Chemistry:Bohrium 107 Bh  [270]	Chemistry:Hassium 108 Hs  [269]	Chemistry:Meitnerium 109 Mt  [278]	Chemistry:Darmstadtium 110 Ds  [281]	Chemistry:Roentgenium 111 Rg  [282]	Chemistry:Copernicium 112 Cn  [285]	Chemistry:Nihonium 113 Nh  [286]	Chemistry:Flerovium 114 Fl  [289]	Chemistry:Moscovium 115 Mc  [290]	Chemistry:Livermorium 116 Lv  [293]	Chemistry:Tennessine 117 Ts  [294]	Chemistry:Oganesson 118 Og  [294]
					Chemistry:Cerium 58 Ce  140.12 140.116(1)	Chemistry:Praseodymium 59 Pr  140.91 140.90766(1)	Chemistry:Neodymium 60 Nd  144.24 144.242(3)	Chemistry:Promethium 61 Pm  [145]	Chemistry:Samarium 62 Sm  150.36(2) 150.36(2)	Chemistry:Europium 63 Eu  151.96 151.964(1)	Chemistry:Gadolinium 64 Gd  157.25(3) 157.25(3)	Chemistry:Terbium 65 Tb  158.93 158.925354(8)	Chemistry:Dysprosium 66 Dy  162.50 162.500(1)	Chemistry:Holmium 67 Ho  164.93 164.930328(7)	Chemistry:Erbium 68 Er  167.26 167.259(3)	Chemistry:Thulium 69 Tm  168.93 168.934218(6)	Chemistry:Ytterbium 70 Yb  173.05 173.045(10)	Chemistry:Lutetium 71 Lu  174.97 174.9668(1)
					Chemistry:Thorium 90 Th  232.04 232.0377(4)	Chemistry:Protactinium 91 Pa  231.04 231.03588(1)	Chemistry:Uranium 92 U   238.03 238.02891(3)	Chemistry:Neptunium 93 Np  [237]	Chemistry:Plutonium 94 Pu  [244]	Chemistry:Americium 95 Am  [243]	Chemistry:Curium 96 Cm  [247]	Chemistry:Berkelium 97 Bk  [247]	Chemistry:Californium 98 Cf  [251]	Chemistry:Einsteinium 99 Es  [252]	Chemistry:Fermium 100 Fm  [257]	Chemistry:Mendelevium 101 Md  [258]	Chemistry:Nobelium 102 No  [259]	Chemistry:Lawrencium 103 Lr  [266]

1 (red)=Gas 3 (black)=Solid 80 (green)=Liquid 109 (gray)=Unknown Color of the atomic number shows state of matter (at 0 °C and 1 atm)

Primordial  From decay  Synthetic Border shows natural occurrence of the element

Standard atomic weight A_{r, std}(E)

• F: 18.998403163(6) — Standard atomic weight
• C: [12.0096, 12.0116] — Standard atomic weight is an interval
• F: 18.998, C: 12.011 — Abridged and conventional value (formal short)
• Po: [209] — mass number of the most stable isotope

Background color shows subcategory in the metal–metalloid–nonmetal trend:

Metal						Metalloid	Nonmetal			Unknown chemical properties
Alkali metal	Alkaline earth metal	Lan­thanide	Actinide	Transition metal	Post-​transition metal		Transition metal	Transition metal

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