1
H
Hydrogen
1.008 u · Diatomic Nonmetal
2
He
Helium
4.0026022 u · Noble Gas
3
Li
Lithium
6.94 u · Alkali Metal
4
Be
Beryllium
9.01218315 u · Alkaline Earth Metal
5
B
Boron
10.81 u · Metalloid
6
C
Carbon
12.011 u · Polyatomic Nonmetal
7
N
Nitrogen
14.007 u · Diatomic Nonmetal
8
O
Oxygen
15.999 u · Diatomic Nonmetal
9
F
Fluorine
18.9984031636 u · Diatomic Nonmetal
10
Ne
Neon
20.17976 u · Noble Gas
11
Na
Sodium
22.989769282 u · Alkali Metal
12
Mg
Magnesium
24.305 u · Alkaline Earth Metal
13
Al
Aluminium
26.98153857 u · Post-Transition Metal
14
Si
Silicon
28.085 u · Metalloid
15
P
Phosphorus
30.9737619985 u · Polyatomic Nonmetal
16
S
Sulfur
32.06 u · Polyatomic Nonmetal
17
Cl
Chlorine
35.45 u · Diatomic Nonmetal
18
Ar
Argon
39.9481 u · Noble Gas
19
K
Potassium
39.09831 u · Alkali Metal
20
Ca
Calcium
40.0784 u · Alkaline Earth Metal
21
Sc
Scandium
44.9559085 u · Transition Metal
22
Ti
Titanium
47.8671 u · Transition Metal
23
V
Vanadium
50.94151 u · Transition Metal
24
Cr
Chromium
51.99616 u · Transition Metal
25
Mn
Manganese
54.9380443 u · Transition Metal
26
Fe
Iron
55.8452 u · Transition Metal
27
Co
Cobalt
58.9331944 u · Transition Metal
28
Ni
Nickel
58.69344 u · Transition Metal
29
Cu
Copper
63.5463 u · Transition Metal
30
Zn
Zinc
65.382 u · Transition Metal
31
Ga
Gallium
69.7231 u · Post-Transition Metal
32
Ge
Germanium
72.6308 u · Metalloid
33
As
Arsenic
74.9215956 u · Metalloid
34
Se
Selenium
78.9718 u · Polyatomic Nonmetal
35
Br
Bromine
79.904 u · Diatomic Nonmetal
36
Kr
Krypton
83.7982 u · Noble Gas
37
Rb
Rubidium
85.46783 u · Alkali Metal
38
Sr
Strontium
87.621 u · Alkaline Earth Metal
39
Y
Yttrium
88.905842 u · Transition Metal
40
Zr
Zirconium
91.2242 u · Transition Metal
41
Nb
Niobium
92.906372 u · Transition Metal
42
Mo
Molybdenum
95.951 u · Transition Metal
43
Tc
Technetium
98 u · Transition Metal
44
Ru
Ruthenium
101.072 u · Transition Metal
45
Rh
Rhodium
102.905502 u · Transition Metal
46
Pd
Palladium
106.421 u · Transition Metal
47
Ag
Silver
107.86822 u · Transition Metal
48
Cd
Cadmium
112.4144 u · Transition Metal
49
In
Indium
114.8181 u · Post-Transition Metal
50
Sn
Tin
118.7107 u · Post-Transition Metal
51
Sb
Antimony
121.7601 u · Metalloid
52
Te
Tellurium
127.603 u · Metalloid
53
I
Iodine
126.904473 u · Diatomic Nonmetal
54
Xe
Xenon
131.2936 u · Noble Gas
55
Cs
Cesium
132.905451966 u · Alkali Metal
56
Ba
Barium
137.3277 u · Alkaline Earth Metal
57
La
Lanthanum
138.905477 u · Lanthanide
58
Ce
Cerium
140.1161 u · Lanthanide
59
Pr
Praseodymium
140.907662 u · Lanthanide
60
Nd
Neodymium
144.2423 u · Lanthanide
61
Pm
Promethium
145 u · Lanthanide
62
Sm
Samarium
150.362 u · Lanthanide
63
Eu
Europium
151.9641 u · Lanthanide
64
Gd
Gadolinium
157.253 u · Lanthanide
65
Tb
Terbium
158.925352 u · Lanthanide
66
Dy
Dysprosium
162.5001 u · Lanthanide
67
Ho
Holmium
164.930332 u · Lanthanide
68
Er
Erbium
167.2593 u · Lanthanide
69
Tm
Thulium
168.934222 u · Lanthanide
70
Yb
Ytterbium
173.0451 u · Lanthanide
71
Lu
Lutetium
174.96681 u · Lanthanide
72
Hf
Hafnium
178.492 u · Transition Metal
73
Ta
Tantalum
180.947882 u · Transition Metal
74
W
Tungsten
183.841 u · Transition Metal
75
Re
Rhenium
186.2071 u · Transition Metal
76
Os
Osmium
190.233 u · Transition Metal
77
Ir
Iridium
192.2173 u · Transition Metal
78
Pt
Platinum
195.0849 u · Transition Metal
79
Au
Gold
196.9665695 u · Transition Metal
80
Hg
Mercury
200.5923 u · Transition Metal
81
Tl
Thallium
204.38 u · Post-Transition Metal
82
Pb
Lead
207.21 u · Post-Transition Metal
83
Bi
Bismuth
208.980401 u · Post-Transition Metal
84
Po
Polonium
209 u · Post-Transition Metal
85
At
Astatine
210 u · Metalloid
86
Rn
Radon
222 u · Noble Gas
87
Fr
Francium
223 u · Alkali Metal
88
Ra
Radium
226 u · Alkaline Earth Metal
89
Ac
Actinium
227 u · Actinide
90
Th
Thorium
232.03774 u · Actinide
91
Pa
Protactinium
231.035882 u · Actinide
92
U
Uranium
238.028913 u · Actinide
93
Np
Neptunium
237 u · Actinide
94
Pu
Plutonium
244 u · Actinide
95
Am
Americium
243 u · Actinide
96
Cm
Curium
247 u · Actinide
97
Bk
Berkelium
247 u · Actinide
98
Cf
Californium
251 u · Actinide
99
Es
Einsteinium
252 u · Actinide
100
Fm
Fermium
257 u · Actinide
101
Md
Mendelevium
258 u · Actinide
102
No
Nobelium
259 u · Actinide
103
Lr
Lawrencium
266 u · Actinide
104
Rf
Rutherfordium
267 u · Transition Metal
105
Db
Dubnium
268 u · Transition Metal
106
Sg
Seaborgium
269 u · Transition Metal
107
Bh
Bohrium
270 u · Transition Metal
108
Hs
Hassium
269 u · Transition Metal
109
Mt
Meitnerium
278 u · Unknown, Probably Transition Metal
110
Ds
Darmstadtium
281 u · Unknown, Probably Transition Metal
111
Rg
Roentgenium
282 u · Unknown, Probably Transition Metal
112
Cn
Copernicium
285 u · Transition Metal
113
Nh
Nihonium
286 u · Unknown, Probably Transition Metal
114
Fl
Flerovium
289 u · Post-Transition Metal
115
Mc
Moscovium
289 u · Unknown, Probably Post-Transition Metal
116
Lv
Livermorium
293 u · Unknown, Probably Post-Transition Metal
117
Ts
Tennessine
294 u · Unknown, Probably Metalloid
118
Og
Oganesson
294 u · Unknown, Predicted To Be Noble Gas