Metals
- Lanthanoids
- Actinoids
Non-Metals
- Halogens
- Noble Gases
-
2
He
Helium
4.003
2
He
Helium
4.003
-
9
F
Fluorine
18.998
9
F
Fluorine
18.998
-
10
Ne
Neon
20.179
10
Ne
Neon
20.179
-
17
Cl
Chlorine
35.453
17
Cl
Chlorine
35.453
-
18
Ar
Argon
39.948
18
Ar
Argon
39.948
-
35
Br
Bromine
79.904
35
Br
Bromine
79.904
-
36
Kr
Krypton
83.798
36
Kr
Krypton
83.798
-
53
I
Iodine
129.904
53
I
Iodine
129.904
-
54
Xe
Xenon
131.293
54
Xe
Xenon
131.293
-
57-71
↓
Lanthanoid
Series -
85
At
Astatine
209.987
85
At
Astatine
209.987
-
86
Rn
Radon
222.0176
86
Rn
Radon
222.0176
-
89-103
↓
Actinoid
Series -
117
Uus
Ununseptium
294
117
Uus
Ununseptium
294
-
118
Uuo
Ununoctium
294
118
Uuo
Ununoctium
294
-
57
La
Lanthanum
138.905
57
La
Lanthanum
138.905
-
58
Ce
Cerium
140.116
58
Ce
Cerium
140.116
-
59
Pr
Praseodymium
140.9076
59
Pr
Praseodymium
140.9076
-
60
Nd
Neodymium
144.242
60
Nd
Neodymium
144.242
-
61
Pm
Promethium
145
61
Pm
Promethium
145
-
62
Sm
Samarium
150.36
62
Sm
Samarium
150.36
-
63
Eu
Europium
151.964
63
Eu
Europium
151.964
-
64
Gd
Gadolinium
157.25
64
Gd
Gadolinium
157.25
-
65
Tb
Terbium
158.925
65
Tb
Terbium
158.925
-
66
Dy
Dysprosium
162.500
66
Dy
Dysprosium
162.500
-
67
Ho
Holmium
164.930
67
Ho
Holmium
164.930
-
68
Er
Erbium
167.259
68
Er
Erbium
167.259
-
69
Tm
Thulium
168.934
69
Tm
Thulium
168.934
-
70
Yb
Ytterbium
173.054
70
Yb
Ytterbium
173.054
-
71
Lu
Lutetium
174.9668
71
Lu
Lutetium
174.9668
-
89
Ac
Actinium
227
89
Ac
Actinium
227
-
90
Th
Thorium
232.038
90
Th
Thorium
232.038
-
91
Pa
Protactinium
231.0358
91
Pa
Protactinium
231.0358
-
92
U
Uranium
238.0289
92
U
Uranium
238.0289
-
93
Np
Neptunium
237
93
Np
Neptunium
237
-
94
Pu
Plutonium
244
94
Pu
Plutonium
244
-
95
Am
Americium
243
95
Am
Americium
243
-
96
Cm
Curium
247
96
Cm
Curium
247
-
97
Bk
Berkelium
247
97
Bk
Berkelium
247
-
98
Cf
Californium
251
98
Cf
Californium
251
-
99
Es
Einsteinium
252
99
Es
Einsteinium
252
-
100
Fm
Fermium
257
100
Fm
Fermium
257
-
101
Md
Mendelevium
258
101
Md
Mendelevium
258
-
102
No
Nobelium
259
102
No
Nobelium
259
-
103
Lr
Lawrencium
262
103
Lr
Lawrencium
262