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**Periodic Table of the Elements**
Period
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
1	1 H																															2 He
2	3 Li	4 Be																									5 B	6 C	7 NNitrogen is the chemical element in the periodic table that has the symbol N and atomic number 7. A common normally colorless, odorless, tasteless and mostly inert diatomic non-metal gas, nitrogen constitutes 78 percent of Earth's atmosphere and is a cons	8 OOxygen is the chemical element in the periodic table that has the symbol O and atomic number 8. The element is very common, found not only on Earth but throughout the universe. Molecular oxygen (O, often called free oxygen on Earth is thermodynamically un	9 FFluorine (from L. Fluere meaning "to flow"), is the chemical element in the periodic table that has the symbol F and atomic number 9. It is a poisonous pale yellow, univalent gaseous halogen that is the most chemically reactive and electronegative of all	10 NeThis page is about the chemical element. For the automobile, see Dodge Neon. For a new semiconductor technology see ARM Neon is the chemical element in the periodic table that has the symbol Ne and atomic number 10. A colorless nearly inert noble gas, neo
3	11 NaSodium is the chemical element in the periodic table that has the symbol Na Natrium in Latin) and atom number 11. Sodium is a soft, waxy, silvery reactive metal belonging to the alkali metals that is abundant in natural compounds (especially halite).	12 MgMagnesium is the chemical element in the periodic table that has the symbol Mg and atomic number 12. Magnesium is the eighth most abundant element and constitutes about 2% of the Earth's crust, and it is the third most plentiful element dissolved in seawa																									13 AlAluminium (or aluminum in North American English) is the chemical element in the periodic table with the symbol Al and atomic number 13. A silvery and ductile member of the poor metal group of elements, aluminium is found primarily as the ore bauxite and	14 SiSilicon is the chemical element in the periodic table that has the symbol Si and atomic number 14. A tetravalent metalloid, silicon is less reactive than its chemical analog carbon. It is the second most abundant element in the Earth's crust, making up 25	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	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	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	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	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

Chemical Series of the Periodic Table
Alkali metals	Alkaline earths	Lanthanide	Actinides	Transition metals
Poor metals	Metalloids	Nonmetals	Halogens	Noble gases

Color coding for atomic numbers:

Elements numbered in blue are liquids at Standard Temperature and Pressure (STP);
those in green are gases at STP;
those in black are solid at STP;
those in red are synthetic (all are solid at STP).
those in gray have not yet been discovered (they also have muted filled colors indicating the likely chemical series they would fall under).

Periodic tables

Standard table | Vertical table | Table with names | Names and atomic masses (large) | Names and atomic masses (small) | Inline F-block | Elements to 218 | Electron configurations | Metals and non metals | Table by blocks

Lists of Elements

Name | Atomic symbol | Atomic number | Boiling point | Melting point | Density | Atomic mass

Group | Period | Series | Block

Periodic table

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Periodic tableThe periodic table of the chemical elements is a tabular display of the known chemical elements. The elements are arranged by electron structure so that many chemical properties vary regularly across the table. Each element is listed by its atomic number	Periodic table (alternate)The Alternate Table is a periodic table perpendicularly rotated counterclockwise, hence like in many writing systems, the lower groups are to the left and the number increases to the right. Due to the rotation and the incorporation of the lanthanides and	Periodic table (big)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 hydrogen1H helium2He 2 lithium3Li beryllium4Be boron5B carbon6C nitrogen7N oxygen8O fluorine9F neon10Ne 3 sodium11Na magnesium12Mg aluminium13Al silicon14Si phosphorus15
Periodic table (huge)The Huge Table is a detailed periodic table that does not fit into most computer screens. However, with a small font size, or in landscape mode, this table can be printed on one normal-size sheet of paper. Group 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1	Periodic table (wide)Periodic Table of the Elements 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 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 2	Periodic table (extended)This extended periodic table was suggested by Glenn T. Seaborg in 1969. It is a logical extension of the principles behind the standard periodic table to include as-yet-undiscoved chemical elements. All of the undiscovered elements are named by the IUPAC
Periodic function	Periodic table group	Periodic table period
Periodic table block	Periodic table (standard)	Periodic table (electron configurations)
Periodic table (metals and non-metals)	Periodic table (block)	Periodic table (detailed)