Periodic table: Information from Answers.com

Group →	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
	I	II											III	IV	V	VI	VII	VIII
↓ Period
1	hydrogen 1 H																	helium 2 He
2	lithium 3 Li	beryllium 4 Be											boron 5 B	carbon 6 C	nitrogen 7 N	oxygen 8 O	fluorine 9 F	neon 10 Ne
3	sodium 11 Na	magnesium 12 Mg											aluminium 13 Al	silicon 14 Si	phosphorus 15 P	sulfur 16 S	chlorine 17 Cl	argon 18 Ar
4	potassium 19 K	calcium 20 Ca	scandium 21 Sc	titanium 22 Ti	vanadium 23 V	chromium 24 Cr	manganese 25 Mn	iron 26 Fe	cobalt 27 Co	nickel 28 Ni	copper 29 Cu	zinc 30 Zn	gallium 31 Ga	germanium 32 Ge	arsenic 33 As	selenium 34 Se	bromine 35 Br	krypton 36 Kr
5	rubidium 37 Rb	strontium 38 Sr	yttrium 39 Y	zirconium 40 Zr	niobium 41 Nb	molybdenum 42 Mo	technetium 43 Tc	ruthenium 44 Ru	rhodium 45 Rh	palladium 46 Pd	silver 47 Ag	cadmium 48 Cd	indium 49 In	tin 50 Sn	antimony 51 Sb	tellurium 52 Te	iodine 53 I	xenon 54 Xe
6	caesium 55 Cs	barium 56 Ba	57-71 *	hafnium 72 Hf	tantalum 73 Ta	tungsten 74 W	rhenium 75 Re	osmium 76 Os	iridium 77 Ir	platinum 78 Pt	gold 79 Au	mercury 80 Hg	thallium 81 Tl	lead 82 Pb	bismuth 83 Bi	polonium 84 Po	astatine 85 At	radon 86 Rn
7	francium 87 Fr	radium 88 Ra	89-103 **	rutherfordium 104 Rf	dubnium 105 Db	seaborgium 106 Sg	bohrium 107 Bh	hassium 108 Hs	meitnerium 109 Mt	darmstadtium 110 Ds	roentgenium 111 Rg	ununbium 112 Uub	ununtrium 113 Uut	ununquadium 114 Uuq	ununpentium 115 Uup	ununhexium 116 Uuh	ununseptium 117 Uus	ununoctium 118 Uuo

* Lanthanoids

cerium
58
Ce

terbium
65
Tb

holmium
67
Ho

erbium
68
Er

thulium
69
Tm

** Actinoids

actinium
89
Ac

thorium
90
Th

curium
96
Cm

fermium
100
Fm

nobelium
102
No

v • d • e Periodic tables

Layouts	Standard · Inline f-block · Vertical · Full names · Names and atomic weights · Text for last · Large table · Metals and nonmetals · Blocks · Valences · Extension beyond the 7th period · Electron configurations · Atomic weights · Electronegativities · Alternatives · Crystal structure

Lists of elements by	Name · Atomic symbol · Atomic number · Atomic weight · Name etymology (after places, after people) · Discovery Boiling point · Melting point · Density · Oxidation state · Abundance (in humans) · Nuclear stability · Hardness

Groups	1 (Alkali metals) · 2 (Alkaline earth metals) · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 · 13 (Boron group) · 14 (Carbon group) · 15 (Pnictogens) · 16 (Chalcogens) · 17 (Halogens) · 18 (Noble gases)

Periods	1 · 2 · 3 · 4 · 5 · 6 · 7 · 8

Other element categories	Metals · Transition metals (1st row) · Metalloids · Nonmetals · Lanthanoids · Actinoids · Rare earth elements · Platinum group metals (PGMs) · Post-transition metals

Blocks	s-block · p-block · d-block · f-block

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	congeners
	pnicogen (chemistry)
	transactinide elements (chemistry)

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