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PERIODIC TABLE



1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1
+1
H

Hydrogen


1.01		 2He

Helium


4.00
3
+1
Li

Lithium


6.94		 4
+2
Be

Beryllium


9.01		 5
+3
B

Boron


10.81		 6
2,4
C

Carbon


12.01		 7
2,3,4,5
N

Nitrogen


14.01		 8
-2
O

Oxygen


16.00		 9
-1
F

Fluorine


19.00		 10Ne

Neon


20.18
11
+1
Na

Sodium


22.99		 12
+2
Mg

Magnesium


24.31		 13
+3
Al

Aluminum


26.98		 14
4
Si

Silicon


28.09		 15
3,4,5
P

Phosphorus


30.97		 16
-2,4,6
S

Sulfur


32.07		 17
-1
Cl

Chlorine


35.45		 18Ar

Argon


39.95
19
+1
K

Potas­sium


39.10		 20
+2
Ca

Cal­cium


40.08		 21
+3
Sc

Scan­dium


44.96		 22
+3,4
Ti

Tita­nium


47.87		 23
+2,3,45
V

Vana­dium


50.94		 24
2,3,6
Cr

Chrom­ium


52.00		 25
2,3,4,6,7
Mn

Manga­nese


54.94		 26
2,3
Fe

Iron


55.85		 27
2,3
Co

Cobalt


58.93		 28
2,3
Ni

Nickel


58.69		 29
1,2
Cu

Copper


63.55		 30
2
Zn

Zinc


65.39		 31
+3
Ga

Gallium


69.72		 32
4
Ge

Germa­nium


72.61		 33
3,5
As

Arsenic


74.92		 34
-2,4,6
Se

Sele­nium


78.97		 35
-1,5
Br

Bromine


79.90		 36Kr

Kryp­ton


83.80
37
+1
Rb

Rubid­ium


85.47		 38
+2
Sr

Stront­ium


87.62		 39
+3
Y

Yttrium


88.91		 40
+4
Zr

Zirco­nium


91.22		 41
+3,5
Nb

Nio­bium


92.91		 42
2,4,5,6
Mo

Molyb­denum


95.95		 43
7
Tc

Tech­netium


97.91		 44
2,3,4,6,8
Ru

Ruthe­nium


101.07		 45
2,3,4
Rh

Rho­dium


102.91		 46
2,4
Pd

Pallad­ium


106.42		 47
1
Ag

Silver


107.87		 48
2
Cd

Cad­mium


112.41		 49
+3
In

Indium


114.82		 50
2,4
Sn

Tin


118.71		 51
3,5
Sb

Anti­mony


121.76		 52
2,4,6
Te

Tellur­ium


127.60		 53
-1,5,7
I

Iodine


126.90		 54Xe

Xenon


131.29
55
+1
Cs

Cae­sium


132.91		 56
+2
Ba

Barium


137.33		 57 *
+3
La

Lan­thanum


138.91		 72
+4
Hf

Haf­nium


178.49		 73
+5
Ta

Tanta­lum


180.95		 74
2,4,5,6
W

Tung­sten


183.84		 75
1,2,4,6,7
Re

Rhe­nium


186.21		 76
2,3,4,6,8
Os

Os­mium


190.23		 77
2,3,4,6
Ir

Iridium


192.22		 78
2,4
Pt

Plat­inum


195.08		 79
1,3
Au

Gold


196.97		 80
1,2
Hg

Mer­cury


200.59		 81
1,3
Tl

Thallium


204.38		 82
2,4
Pb

Lead


207.20		 83
3,5
Bi

Bis­muth


208.98		 84
2,4
Po

Polo­nium


208.98		 85
1,3,5,7
At

Asta­tine


209.99		 86Rn

Radon


222.02
87
+1
Fr

Fran­cium


223.02		 88
+2
Ra

Ra­dium


226.03		 89 **
+3
Ac

Actin­ium


227.03		 104
+4
Rf

Ruther­fordium


261		 105Db

Dub­nium


262		 106Sg

Sea­borgium


263		 107Bh

Bohr­ium


262		 108Hs

Has­sium


265		 109Mt

Meit­nerium


266		 110Ds

Darm­stadtium


281		 111Rg

Roent­genium


280		 112Cn

Coper­nicium


285		 113Uut

Unun­trium


284		 114Fl

Flerov­ium


289		 115Uup

Unun­pentium


288		 116Lv

Liver­morium


293		 117Uus

Unun­septium


294		 118Uuo

Unun­octium


294
* 58
3,4
Ce

Cerium


140.12		 59
3,4
Pr

Praseo­dymium


140.91		 60
3
Nd

Neo­dymium


144.24		 61
3
Pm

Prome­thium


144.91		 62
2,3
Sm

Sama­rium


150.36		 63
2,3
Eu

Europ­ium


151.97		 64
3
Gd

Gadolin­ium


157.25		 65
3,4
Tb

Ter­bium


158.93		 66
3
Dy

Dyspro­sium


162.50		 67
3
Ho

Hol­mium


164.93		 68
3
Er

Erbium


167.26		 69
2,3
Tm

Thulium


168.93		 70
2,3
Yb

Ytter­bium


173.05		 71Lu

Lute­tium


174.97
** 90
4
Th

Thor­ium


232.04		 91
4,5
Pa

Protac­tinium


231.04		 92
3,4,5,6
U

Ura­nium


238.03		 93Np

Neptu­nium


237		 94Pu

Pluto­nium


244		 95Am

Ameri­cium


243		 96Cm

Curium


247		 97Bk

Berkel­ium


247		 98Cf

Califor­nium


251		 99Es

Einstei­nium


252		 100Fm

Fer­mium


257		 101Md

Mende­levium


258		 102No

Nobel­ium


259		 103Lr

Lawren­cium


262

Metals
Metalloids
Non-Metals

MASSES ROUNDED TO HUNDREDTHS, BASED ON UPDATED IUPAC VALUES, 2013
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