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Group → 1 2   3 4 5 6 7 8 9 10 11 12 13 14 15The group 15 elements are elements in periodic table group 15 in the periodic table. The group is also known as the Nitrogen Group . They are: nitrogen phosphorus arsenic antimony bismuth ununpentium (unconfirmed) The name pnictogens is also sometimes use 16 17 18
Period ↓In the periodic table of the elements, a period is a row of the table. The number of electron shells an atom has determines what period it belongs to. Each shell is divided into different subshells, which as atomic number increases are filled in roughly t
1A period 1 element is one of the chemical elements in the first row (or period of the periodic table of the elements. These are: Chemical elements in the first period Group 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 #Name 1 H 2 He e--conf. Alkali metals 1
Hhydrogen helium H Li Full table General Name, Symbol, NumberHydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1 (IA), 1 , s Density, Hardness 0. 0899 kg/m3, NA Appearance colorless Atomic properties Atomic weight 1. 00794 amu Atomic radius (ca
2
HeHelium is a colorless, odorless, tasteless chemical element, one of the noble gases of the periodic table of elements. Its boiling and melting points are the lowest among the elements; except in extreme conditions, it exists only as a gas. The second most
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 		*
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 		**
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

* 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
** 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


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

Natural occurrence



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Periodic Table (standard) Borders Metals Elements

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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 numberPeriodic 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 andPeriodic 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 1Periodic 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 2Periodic 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 functionPeriodic table groupPeriodic table period
Periodic table blockPeriodic table (standard)Periodic table (electron configurations)
Periodic table (metals and non-metals)Periodic table (block)Periodic table (detailed)


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