Periodic Table of the Elements

Chemistry Quick Facts

Element Properties

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  By Atomic Number
  By Density
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Periodic Table
Groups

  Periodic Table
  Alkali Metals
  Alkaline Earth Metals
  Halogens
  Noble (Inert) Gases
  Rare Earth Elements
  Transition Metals
  Metalloids (Semimetals)
  Nonmetals
  Poor Metals

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Inventions
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Reference

Periodic Table Of the Elements

Group →	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
↓ Period
1	1 H																	2 He
2	3 Li	4 Be											5 B	6 C	7 N	8 O	9 F	10 Ne
3	11 Na	12 Mg											13 Al	14 Si	15 P	16 S	17 Cl	18 Ar
4	19 K	20 Ca	21 Sc	22 Ti	23 V	24 Cr	25 Mn	26 Fe	27 Co	28 Ni	29 Cu	30 Zn	31 Ga	32 Ge	33 As	34 Se	35 Br	36 Kr
5	37 Rb	38 Sr	39 Y	40 Zr	41 Nb	42 Mo	43 Tc	44 Ru	45 Rh	46 Pd	47 Ag	48 Cd	49 In	50 Sn	51 Sb	52 Te	53 I	54 Xe
6	55 Cs	56 Ba	*	72 Hf	73 Ta	74 W	75 Re	76 Os	77 Ir	78 Pt	79 Au	80 Hg	81 Tl	82 Pb	83 Bi	84 Po	85 At	86 Rn
7	87 Fr	88 Ra	**	104 Rf	105 Db	106 Sg	107 Bh	108 Hs	109 Mt	110 Ds	111 Rg	112 Uub	113 Uut	114 Uuq	115 Uup	116 Uuh	117 Uus	118 Uuo

* Lanthanides				57 La	58 Ce	59 Pr	60 Nd	61 Pm	62 Sm	63 Eu	64 Gd	65 Tb	66 Dy	67 Ho	68 Er	69 Tm	70 Yb	71 Lu
Actinides**				89 Ac	90 Th	91 Pa	92 U	93 Np	94 Pu	95 Am	96 Cm	97 Bk	98 Cf	99 Es	100 Fm	101 Md	102 No	103 Lr

Notes

Lanthanides are also known as "rare earth elements", a deprecated term. Regarding group membership of these elements, see here.
Alkali metals, alkaline earth metals, transition metals, actinides, lanthanides, and poor metals are all collectively known as "metals".
Halogens and noble gases are also non-metals.

Chemical series of the periodic table

Alkali metals Alkaline earth metals Lanthanides Actinides Transition metals Poor metals Metalloids Nonmetals Halogens Noble gases

State at standard temperature and pressure
(0 °C and 1 atm)
Gases	Liquids	Solids

(Color of atomic number)

**Natural occurrence**
Undiscovered	Synthetic	From decay	Primordial

Source: Wikipedia article Periodic Table

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