atomic number
relative atomic mass [Da]
atomic radius [Å]
43⬛⚗☢ 7
[98] 7.1194
2.16 0.55
Tc
Technetium
[Kr]4d55s2
oxidation states
1st ionisation energy [eV]
affinity [eV]
symbol
name
ground state configuration
Hover any element to preview in the legend card, or click for full YAML & properties
Phase @ 273 K & Properties
Element Categories
🔍 118 / 118
(Grey = Unknown / Not stable)
Group →↓ Period
57-71
La-Lu
Lanthanide
89-103
Ac-Lr
Actinide
1⬤ 1 -1
1.008 13.6
1.1 0.7542
H
Hydrogen
1s1
2⬤ 0
4.003 24.59
1.4 Ns
He
Helium
1s2
3⬛ 1
6.94 5.392
1.82 0.618
Li
Lithium
[He]2s1
4⬛ 2
9.012 9.323
1.53 Ns
Be
Beryllium
[He]2s2
5⬛ 3
10.81 8.298
1.92 0.2797
B
Boron
[He]2s22p1
6⬛ 4 3 2 1 0 -1 -2 -3 -4
12.011 11.26
1.7 1.262
C
Carbon
[He]2s22p2
7⬤ 5 4 3 2 -3
14.007 14.53
1.55 Ns
N
Nitrogen
[He]2s22p3
8⬤ -1 -2
15.999 13.62
1.52 1.461
O
Oxygen
[He]2s22p4
9⬤ -1
18.998 17.42
1.47 3.401
F
Fluorine
[He]2s22p5
10⬤ 0
20.180 21.56
1.54 Ns
Ne
Neon
[He]2s22p6
11⬛ 1
22.990 5.139
2.27 0.5479
Na
Sodium
[Ne]3s1
12⬛ 2
24.305 7.646
1.73 Ns
Mg
Magnesium
[Ne]3s2
13⬛ 3
26.982 5.986
1.84 0.4328
Al
Aluminium
[Ne]3s23p1
14⬛ 4 -4
28.085 8.152
2.1 1.389
Si
Silicon
[Ne]3s23p2
15⬛ 5 3 -3
30.974 10.49
1.8 0.7466
P
Phosphorus
[Ne]3s23p3
16⬛ 6 4 2 -2
32.06 10.36
1.8 2.077
S
Sulfur
[Ne]3s23p4
17⬤ 7 5 3 1 -1
35.45 12.97
1.75 3.613
Cl
Chlorine
[Ne]3s23p5
18⬤ 0
39.95 15.76
1.88 Ns
Ar
Argon
[Ne]3s23p6
19⬛ 1
39.098 4.341
2.75 0.5015
K
Potassium
[Ar]4s1
20⬛ 2
40.078 6.113
2.31 0.02455
Ca
Calcium
[Ar]4s2
21⬛ 3
44.956 6.561
2.15 0.188
Sc
Scandium
[Ar]3d14s2
22⬛ 4 3
47.867 6.828
2.11 0.079
Ti
Titanium
[Ar]3d24s2
23⬛ 5 4 3 2 0
50.942 6.746
2.07 0.525
V
Vanadium
[Ar]3d34s2
24⬛ 6 3 2 0
51.996 6.766
2.06 0.666
Cr
Chromium
[Ar]3d54s1
25⬛ 7 6 4 3 2 0 -1
54.938 7.434
2.05 Ns
Mn
Manganese
[Ar]3d54s2
26⬛ 6 3 2 0 -2
55.845 7.902
2.04 0.151
Fe
Iron
[Ar]3d64s2
27⬛ 3 2 0 -1
58.933 7.881
2.0 0.662
Co
Cobalt
[Ar]3d74s2
28⬛ 3 2 0
58.693 7.64
1.97 1.156
Ni
Nickel
[Ar]3d84s2
29⬛ 2 1
63.546 7.726
1.96 1.235
Cu
Copper
[Ar]3d104s1
30⬛ 2
65.38 9.394
2.01 Ns
Zn
Zinc
[Ar]3d104s2
31⬛ 3
69.723 5.999
1.87 0.43
Ga
Gallium
[Ar]3d104s24p1
32⬛ 4
72.630 7.899
2.11 1.233
Ge
Germanium
[Ar]3d104s24p2
33⬛ 5 3 -3
74.922 9.788
1.85 0.804
As
Arsenic
[Ar]3d104s24p3
34⬛ 6 4 -2
78.971 9.752
1.9 2.021
Se
Selenium
[Ar]3d104s24p4
35▲ 7 5 3 1 -1
79.904 11.81
1.85 3.364
Br
Bromine
[Ar]3d104s24p5
36⬤ 2
83.798 14.0
2.02 Ns
Kr
Krypton
[Ar]3d104s24p6
37⬛ 1
85.468 4.177
3.03 0.4859
Rb
Rubidium
[Kr]5s1
38⬛ 2
87.62 5.695
2.49 0.048
Sr
Strontium
[Kr]5s2
39⬛ 3
88.906 6.217
2.32 0.307
Y
Yttrium
[Kr]4d15s2
40⬛ 4
91.224 6.634
2.23 0.426
Zr
Zirconium
[Kr]4d25s2
41⬛ 5 3
92.906 6.759
2.18 0.916
Nb
Niobium
[Kr]4d45s1
42⬛ 6 5 4 3 2 0
95.95 7.092
2.17 0.748
Mo
Molybdenum
[Kr]4d55s1
43⬛⚗ 7
[98] 7.28
2.16 0.55
Tc
Technetium
[Kr]4d55s2
44⬛ 8 6 4 3 2 0 -2
101.07 7.36
2.13 1.05
Ru
Ruthenium
[Kr]4d75s1
45⬛ 5 4 3 2 1 0
102.906 7.459
2.1 1.137
Rh
Rhodium
[Kr]4d85s1
46⬛ 4 2 0
106.42 8.337
2.1 0.562
Pd
Palladium
[Kr]4d10
47⬛ 2 1
107.868 7.576
2.11 1.302
Ag
Silver
[Kr]4d105s1
48⬛ 2
112.414 8.994
2.18 Ns
Cd
Cadmium
[Kr]4d105s2
49⬛ 3
114.818 5.786
1.93 0.2995
In
Indium
[Kr]4d105s25p1
50⬛ 4 2
118.710 7.344
2.17 1.112
Sn
Tin
[Kr]4d105s25p2
51⬛ 5 3 -3
121.760 8.608
2.06 1.046
Sb
Antimony
[Kr]4d105s25p3
52⬛ 6 4 -2
127.60 9.009
2.06 1.971
Te
Tellurium
[Kr]4d105s25p4
53⬛ 7 5 1 -1
126.904 10.45
1.98 3.059
I
Iodine
[Kr]4d105s25p5
54⬤ 6 4 2
131.293 12.13
2.16 Ns
Xe
Xenon
[Kr]4d105s25p6
55⬛ 1
132.905 3.894
3.43 0.4716
Cs
Caesium
[Xe]6s1
56⬛ 2
137.327 5.212
2.68 0.1446
Ba
Barium
[Xe]6s2
57⬛ 3
138.905 5.577
2.43 0.47
La
Lanthanum
[Xe]5d16s2
58⬛ 4 3
140.116 5.539
2.42 0.65
Ce
Cerium
[Xe]4f15d16s2
59⬛ 4 3
140.908 5.473
2.4 0.962
Pr
Praseodymium
[Xe]4f36s2
60⬛ 3
144.242 5.525
2.39 U
Nd
Neodymium
[Xe]4f46s2
61⬛ 3
[145] 5.582
2.38 U
Pm
Promethium
[Xe]4f56s2
62⬛ 3 2
150.36 5.644
2.36 U
Sm
Samarium
[Xe]4f66s2
63⬛ 3 2
151.964 5.67
2.35 0.864
Eu
Europium
[Xe]4f76s2
64⬛ 3
157.25 6.15
2.34 U
Gd
Gadolinium
[Xe]4f75d16s2
65⬛ 4 3
158.925 5.864
2.33 U
Tb
Terbium
[Xe]4f96s2
66⬛ 3
162.500 5.939
2.31 U
Dy
Dysprosium
[Xe]4f106s2
67⬛ 3
164.930 6.021
2.3 U
Ho
Holmium
[Xe]4f116s2
68⬛ 3
167.259 6.108
2.29 U
Er
Erbium
[Xe]4f126s2
69⬛ 3 2
168.934 6.184
2.27 1.029
Tm
Thulium
[Xe]4f136s2
70⬛ 3 2
173.045 6.254
2.26 -0.02
Yb
Ytterbium
[Xe]4f146s2
71⬛ 3
174.967 5.426
2.24 0.34
Lu
Lutetium
[Xe]4f145d16s2
72⬛ 4
178.486 6.825
2.23 0.014
Hf
Hafnium
[Xe]4f145d26s2
73⬛ 5
180.948 7.549
2.22 0.322
Ta
Tantalum
[Xe]4f145d36s2
74⬛ 6 5 4 3 2 0
183.84 7.864
2.18 0.8162
W
Tungsten
[Xe]4f145d46s2
75⬛ 7 6 4 2 -1
186.207 7.833
2.16 0.15
Re
Rhenium
[Xe]4f145d56s2
76⬛ 8 6 4 3 2 0 -2
190.23 8.438
2.16 1.1
Os
Osmium
[Xe]4f145d66s2
77⬛ 6 4 3 2 1 0 -1
192.217 8.967
2.13 1.564
Ir
Iridium
[Xe]4f145d76s2
78⬛ 4 2
195.084 8.959
2.13 2.128
Pt
Platinum
[Xe]4f145d96s1
79⬛ 5 4 3 2 1 -1
196.967 9.225
2.14 2.309
Au
Gold
[Xe]4f145d106s1
80▲ 2 1
200.592 10.44
2.23 Ns
Hg
Mercury
[Xe]4f145d106s2
81⬛ 3 1
204.38 6.108
1.96 0.377
Tl
Thallium
[Xe]4f145d106s26p1
82⬛ 4 2
207.2 7.417
2.02 0.364
Pb
Lead
[Xe]4f145d106s26p2
83⬛ 5 3
208.980 7.285
2.07 0.9423
Bi
Bismuth
[Xe]4f145d106s26p3
84⬛ 6 4 2
[209] 8.414
1.97 1.9
Po
Polonium
[Xe]4f145d106s26p4
85◆ 7 5 3 1 -1
[210] U
2.02 2.8
At
Astatine
[Xe]4f145d106s26p5
86⬤ 2
[222] 10.75
2.2 Ns
Rn
Radon
[Xe]4f145d106s26p6
87⬛ 1
[223] 4.073
3.48 0.46
Fr
Francium
[Rn]7s1
88⬛ 2
[226] 5.278
2.83 0.1
Ra
Radium
[Rn]7s2
89⬛ 3
[227] 5.17
2.47 0.35
Ac
Actinium
[Rn]6d17s2
90⬛ 4
232.038 6.307
2.45 U
Th
Thorium
[Rn]6d27s2
91⬛ 5 4
231.036 5.89
2.43 U
Pa
Protactinium
[Rn]5f26d17s2
92⬛ 6 5 4 3
238.029 6.194
2.41 U
U
Uranium
[Rn]5f36d17s2
93⬛⚗ 6 5 4 3
[237] 6.266
2.39 U
Np
Neptunium
[Rn]5f46d17s2
94⬛⚗ 6 5 4 3
[244] 6.026
2.43 U
Pu
Plutonium
[Rn]5f67s2
95⬛⚗ 6 5 4 3
[243] 5.974
2.44 U
Am
Americium
[Rn]5f77s2
96⬛⚗ 4 3
[247] 5.991
2.45 U
Cm
Curium
[Rn]5f76d17s2
97⬛⚗ 4 3
[247] 6.198
2.44 U
Bk
Berkelium
[Rn]5f97s2
98⬛⚗ 4 3
[251] 6.282
2.45 U
Cf
Californium
[Rn]5f107s2
99⬛⚗ 3
[252] 6.42
2.45 U
Es
Einsteinium
[Rn]5f117s2
100⬛⚗ 3
[257] 6.5
2.45 U
Fm
Fermium
[Rn]5f127s2
101⬛⚗ 3
[258] 6.58
2.46 U
Md
Mendelevium
[Rn]5f137s2
102⬛⚗ 3 2
[259] 6.65
2.46 U
No
Nobelium
[Rn]5f147s2
103⬛⚗ 3
[262] 4.9
2.46 U
Lr
Lawrencium
[Rn]5f147s27p1
104◆⚗ U
[267] 6.001
U U
Rf
Rutherfordium
[Rn]5f146d27s2
105◆⚗ U
[268] U
U U
Db
Dubnium
[Rn]5f146d37s2
106◆⚗ U
[269] U
U U
Sg
Seaborgium
[Rn]5f146d47s2
107◆⚗ U
[270] U
U U
Bh
Bohrium
[Rn]5f146d57s2
108◆⚗ U
[269] U
U U
Hs
Hassium
[Rn]5f146d67s2
109◆⚗ U
[278] U
U U
Mt
Meitnerium
[Rn]5f146d77s2
110◆⚗ U
[281] U
U U
Ds
Darmstadtium
[Rn]5f146d97s1
111◆⚗ U
[280] U
U U
Rg
Roentgenium
[Rn]5f146d107s1
112◆⚗ U
[285] U
U U
Cn
Copernicium
[Rn]5f146d107s2
113◆⚗ U
[286] U
U U
Nh
Nihonium
[Rn]5f146d107s27p1
114◆⚗ U
[289] U
U U
Fl
Flerovium
[Rn]5f146d107s27p2
115◆⚗ U
[289] U
U U
Mc
Moscovium
[Rn]5f146d107s27p3
116◆⚗ U
[293] U
U U
Lv
Livermorium
[Rn]5f146d107s27p4
117◆⚗ U
[294] U
U U
Ts
Tennessine
[Rn]5f146d107s27p5
118◆☢ U
[294] U
U 0.056
Og
Oganesson
[Rn]5f146d107s27p6
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Z ↕ Sym ↕ Name ↕ Category ↕ Period ↕ Group ↕ Phase @ 273K ↕ Mass [Da] ↕ Oxidation States 1st IE [eV] ↕ Radius [Å] ↕ Affinity [eV] ↕ Configuration Files & Links
1 H Hydrogen Non metal 1 1 ⬤ gas@273K 1.008 1 -1 13.6 1.1 0.7542 1s1 YAML RSC ↗
2 He Helium Noble gas 1 18 ⬤ gas@273K 4.003 0 24.59 1.4 Ns 1s2 YAML RSC ↗
3 Li Lithium Alkali Metal 2 1 ⬛ solid@273K 6.94 1 5.392 1.82 0.618 [He]2s1 YAML RSC ↗
4 Be Beryllium Alkaline Earth Metal 2 2 ⬛ solid@273K 9.012 2 9.323 1.53 Ns [He]2s2 YAML RSC ↗
5 B Boron Metalloid 2 13 ⬛ solid@273K 10.81 3 8.298 1.92 0.2797 [He]2s22p1 YAML RSC ↗
6 C Carbon Non metal 2 14 ⬛ solid@273K 12.011 4 3 2 1 0 -1 -2 -3 -4 11.26 1.7 1.262 [He]2s22p2 YAML RSC ↗
7 N Nitrogen Non metal 2 15 ⬤ gas@273K 14.007 5 4 3 2 -3 14.53 1.55 Ns [He]2s22p3 YAML RSC ↗
8 O Oxygen Non metal 2 16 ⬤ gas@273K 15.999 -1 -2 13.62 1.52 1.461 [He]2s22p4 YAML RSC ↗
9 F Fluorine Halogen 2 17 ⬤ gas@273K 18.998 -1 17.42 1.47 3.401 [He]2s22p5 YAML RSC ↗
10 Ne Neon Noble gas 2 18 ⬤ gas@273K 20.180 0 21.56 1.54 Ns [He]2s22p6 YAML RSC ↗
11 Na Sodium Alkali Metal 3 1 ⬛ solid@273K 22.990 1 5.139 2.27 0.5479 [Ne]3s1 YAML RSC ↗
12 Mg Magnesium Alkaline Earth Metal 3 2 ⬛ solid@273K 24.305 2 7.646 1.73 Ns [Ne]3s2 YAML RSC ↗
13 Al Aluminium Post Trans Metal 3 13 ⬛ solid@273K 26.982 3 5.986 1.84 0.4328 [Ne]3s23p1 YAML RSC ↗
14 Si Silicon Metalloid 3 14 ⬛ solid@273K 28.085 4 -4 8.152 2.1 1.389 [Ne]3s23p2 YAML RSC ↗
15 P Phosphorus Non metal 3 15 ⬛ solid@273K 30.974 5 3 -3 10.49 1.8 0.7466 [Ne]3s23p3 YAML RSC ↗
16 S Sulfur Non metal 3 16 ⬛ solid@273K 32.06 6 4 2 -2 10.36 1.8 2.077 [Ne]3s23p4 YAML RSC ↗
17 Cl Chlorine Halogen 3 17 ⬤ gas@273K 35.45 7 5 3 1 -1 12.97 1.75 3.613 [Ne]3s23p5 YAML RSC ↗
18 Ar Argon Noble gas 3 18 ⬤ gas@273K 39.95 0 15.76 1.88 Ns [Ne]3s23p6 YAML RSC ↗
19 K Potassium Alkali Metal 4 1 ⬛ solid@273K 39.098 1 4.341 2.75 0.5015 [Ar]4s1 YAML RSC ↗
20 Ca Calcium Alkaline Earth Metal 4 2 ⬛ solid@273K 40.078 2 6.113 2.31 0.02455 [Ar]4s2 YAML RSC ↗
21 Sc Scandium Transitional Metal 4 3 ⬛ solid@273K 44.956 3 6.561 2.15 0.188 [Ar]3d14s2 YAML RSC ↗
22 Ti Titanium Transitional Metal 4 4 ⬛ solid@273K 47.867 4 3 6.828 2.11 0.079 [Ar]3d24s2 YAML RSC ↗
23 V Vanadium Transitional Metal 4 5 ⬛ solid@273K 50.942 5 4 3 2 0 6.746 2.07 0.525 [Ar]3d34s2 YAML RSC ↗
24 Cr Chromium Transitional Metal 4 6 ⬛ solid@273K 51.996 6 3 2 0 6.766 2.06 0.666 [Ar]3d54s1 YAML RSC ↗
25 Mn Manganese Transitional Metal 4 7 ⬛ solid@273K 54.938 7 6 4 3 2 0 -1 7.434 2.05 Ns [Ar]3d54s2 YAML RSC ↗
26 Fe Iron Transitional Metal 4 8 ⬛ solid@273K 55.845 6 3 2 0 -2 7.902 2.04 0.151 [Ar]3d64s2 YAML RSC ↗
27 Co Cobalt Transitional Metal 4 9 ⬛ solid@273K 58.933 3 2 0 -1 7.881 2.0 0.662 [Ar]3d74s2 YAML RSC ↗
28 Ni Nickel Transitional Metal 4 10 ⬛ solid@273K 58.693 3 2 0 7.64 1.97 1.156 [Ar]3d84s2 YAML RSC ↗
29 Cu Copper Transitional Metal 4 11 ⬛ solid@273K 63.546 2 1 7.726 1.96 1.235 [Ar]3d104s1 YAML RSC ↗
30 Zn Zinc Transitional Metal 4 12 ⬛ solid@273K 65.38 2 9.394 2.01 Ns [Ar]3d104s2 YAML RSC ↗
31 Ga Gallium Post Trans Metal 4 13 ⬛ solid@273K 69.723 3 5.999 1.87 0.43 [Ar]3d104s24p1 YAML RSC ↗
32 Ge Germanium Metalloid 4 14 ⬛ solid@273K 72.630 4 7.899 2.11 1.233 [Ar]3d104s24p2 YAML RSC ↗
33 As Arsenic Metalloid 4 15 ⬛ solid@273K 74.922 5 3 -3 9.788 1.85 0.804 [Ar]3d104s24p3 YAML RSC ↗
34 Se Selenium Non metal 4 16 ⬛ solid@273K 78.971 6 4 -2 9.752 1.9 2.021 [Ar]3d104s24p4 YAML RSC ↗
35 Br Bromine Halogen 4 17 ▲ liquid@273K 79.904 7 5 3 1 -1 11.81 1.85 3.364 [Ar]3d104s24p5 YAML RSC ↗
36 Kr Krypton Noble gas 4 18 ⬤ gas@273K 83.798 2 14.0 2.02 Ns [Ar]3d104s24p6 YAML RSC ↗
37 Rb Rubidium Alkali Metal 5 1 ⬛ solid@273K 85.468 1 4.177 3.03 0.4859 [Kr]5s1 YAML RSC ↗
38 Sr Strontium Alkaline Earth Metal 5 2 ⬛ solid@273K 87.62 2 5.695 2.49 0.048 [Kr]5s2 YAML RSC ↗
39 Y Yttrium Transitional Metal 5 3 ⬛ solid@273K 88.906 3 6.217 2.32 0.307 [Kr]4d15s2 YAML RSC ↗
40 Zr Zirconium Transitional Metal 5 4 ⬛ solid@273K 91.224 4 6.634 2.23 0.426 [Kr]4d25s2 YAML RSC ↗
41 Nb Niobium Transitional Metal 5 5 ⬛ solid@273K 92.906 5 3 6.759 2.18 0.916 [Kr]4d45s1 YAML RSC ↗
42 Mo Molybdenum Transitional Metal 5 6 ⬛ solid@273K 95.95 6 5 4 3 2 0 7.092 2.17 0.748 [Kr]4d55s1 YAML RSC ↗
43 Tc Technetium Transitional Metal 5 7 ⬛ solid@273K [98] 7 7.28 2.16 0.55 [Kr]4d55s2 YAML RSC ↗
44 Ru Ruthenium Transitional Metal 5 8 ⬛ solid@273K 101.07 8 6 4 3 2 0 -2 7.36 2.13 1.05 [Kr]4d75s1 YAML RSC ↗
45 Rh Rhodium Transitional Metal 5 9 ⬛ solid@273K 102.906 5 4 3 2 1 0 7.459 2.1 1.137 [Kr]4d85s1 YAML RSC ↗
46 Pd Palladium Transitional Metal 5 10 ⬛ solid@273K 106.42 4 2 0 8.337 2.1 0.562 [Kr]4d10 YAML RSC ↗
47 Ag Silver Transitional Metal 5 11 ⬛ solid@273K 107.868 2 1 7.576 2.11 1.302 [Kr]4d105s1 YAML RSC ↗
48 Cd Cadmium Transitional Metal 5 12 ⬛ solid@273K 112.414 2 8.994 2.18 Ns [Kr]4d105s2 YAML RSC ↗
49 In Indium Post Trans Metal 5 13 ⬛ solid@273K 114.818 3 5.786 1.93 0.2995 [Kr]4d105s25p1 YAML RSC ↗
50 Sn Tin Post Trans Metal 5 14 ⬛ solid@273K 118.710 4 2 7.344 2.17 1.112 [Kr]4d105s25p2 YAML RSC ↗
51 Sb Antimony Metalloid 5 15 ⬛ solid@273K 121.760 5 3 -3 8.608 2.06 1.046 [Kr]4d105s25p3 YAML RSC ↗
52 Te Tellurium Metalloid 5 16 ⬛ solid@273K 127.60 6 4 -2 9.009 2.06 1.971 [Kr]4d105s25p4 YAML RSC ↗
53 I Iodine Halogen 5 17 ⬛ solid@273K 126.904 7 5 1 -1 10.45 1.98 3.059 [Kr]4d105s25p5 YAML RSC ↗
54 Xe Xenon Noble gas 5 18 ⬤ gas@273K 131.293 6 4 2 12.13 2.16 Ns [Kr]4d105s25p6 YAML RSC ↗
55 Cs Caesium Alkali Metal 6 1 ⬛ solid@273K 132.905 1 3.894 3.43 0.4716 [Xe]6s1 YAML RSC ↗
56 Ba Barium Alkaline Earth Metal 6 2 ⬛ solid@273K 137.327 2 5.212 2.68 0.1446 [Xe]6s2 YAML RSC ↗
57 La Lanthanum Lanthanide 6 3 ⬛ solid@273K 138.905 3 5.577 2.43 0.47 [Xe]5d16s2 YAML RSC ↗
58 Ce Cerium Lanthanide 6 f-block ⬛ solid@273K 140.116 4 3 5.539 2.42 0.65 [Xe]4f15d16s2 YAML RSC ↗
59 Pr Praseodymium Lanthanide 6 f-block ⬛ solid@273K 140.908 4 3 5.473 2.4 0.962 [Xe]4f36s2 YAML RSC ↗
60 Nd Neodymium Lanthanide 6 f-block ⬛ solid@273K 144.242 3 5.525 2.39 U [Xe]4f46s2 YAML RSC ↗
61 Pm Promethium Lanthanide 6 f-block ⬛ solid@273K [145] 3 5.582 2.38 U [Xe]4f56s2 YAML RSC ↗
62 Sm Samarium Lanthanide 6 f-block ⬛ solid@273K 150.36 3 2 5.644 2.36 U [Xe]4f66s2 YAML RSC ↗
63 Eu Europium Lanthanide 6 f-block ⬛ solid@273K 151.964 3 2 5.67 2.35 0.864 [Xe]4f76s2 YAML RSC ↗
64 Gd Gadolinium Lanthanide 6 f-block ⬛ solid@273K 157.25 3 6.15 2.34 U [Xe]4f75d16s2 YAML RSC ↗
65 Tb Terbium Lanthanide 6 f-block ⬛ solid@273K 158.925 4 3 5.864 2.33 U [Xe]4f96s2 YAML RSC ↗
66 Dy Dysprosium Lanthanide 6 f-block ⬛ solid@273K 162.500 3 5.939 2.31 U [Xe]4f106s2 YAML RSC ↗
67 Ho Holmium Lanthanide 6 f-block ⬛ solid@273K 164.930 3 6.021 2.3 U [Xe]4f116s2 YAML RSC ↗
68 Er Erbium Lanthanide 6 f-block ⬛ solid@273K 167.259 3 6.108 2.29 U [Xe]4f126s2 YAML RSC ↗
69 Tm Thulium Lanthanide 6 f-block ⬛ solid@273K 168.934 3 2 6.184 2.27 1.029 [Xe]4f136s2 YAML RSC ↗
70 Yb Ytterbium Lanthanide 6 f-block ⬛ solid@273K 173.045 3 2 6.254 2.26 -0.02 [Xe]4f146s2 YAML RSC ↗
71 Lu Lutetium Lanthanide 6 f-block ⬛ solid@273K 174.967 3 5.426 2.24 0.34 [Xe]4f145d16s2 YAML RSC ↗
72 Hf Hafnium Transitional Metal 6 4 ⬛ solid@273K 178.486 4 6.825 2.23 0.014 [Xe]4f145d26s2 YAML RSC ↗
73 Ta Tantalum Transitional Metal 6 5 ⬛ solid@273K 180.948 5 7.549 2.22 0.322 [Xe]4f145d36s2 YAML RSC ↗
74 W Tungsten Transitional Metal 6 6 ⬛ solid@273K 183.84 6 5 4 3 2 0 7.864 2.18 0.8162 [Xe]4f145d46s2 YAML RSC ↗
75 Re Rhenium Transitional Metal 6 7 ⬛ solid@273K 186.207 7 6 4 2 -1 7.833 2.16 0.15 [Xe]4f145d56s2 YAML RSC ↗
76 Os Osmium Transitional Metal 6 8 ⬛ solid@273K 190.23 8 6 4 3 2 0 -2 8.438 2.16 1.1 [Xe]4f145d66s2 YAML RSC ↗
77 Ir Iridium Transitional Metal 6 9 ⬛ solid@273K 192.217 6 4 3 2 1 0 -1 8.967 2.13 1.564 [Xe]4f145d76s2 YAML RSC ↗
78 Pt Platinum Transitional Metal 6 10 ⬛ solid@273K 195.084 4 2 8.959 2.13 2.128 [Xe]4f145d96s1 YAML RSC ↗
79 Au Gold Transitional Metal 6 11 ⬛ solid@273K 196.967 5 4 3 2 1 -1 9.225 2.14 2.309 [Xe]4f145d106s1 YAML RSC ↗
80 Hg Mercury Transitional Metal 6 12 ▲ liquid@273K 200.592 2 1 10.44 2.23 Ns [Xe]4f145d106s2 YAML RSC ↗
81 Tl Thallium Post Trans Metal 6 13 ⬛ solid@273K 204.38 3 1 6.108 1.96 0.377 [Xe]4f145d106s26p1 YAML RSC ↗
82 Pb Lead Post Trans Metal 6 14 ⬛ solid@273K 207.2 4 2 7.417 2.02 0.364 [Xe]4f145d106s26p2 YAML RSC ↗
83 Bi Bismuth Post Trans Metal 6 15 ⬛ solid@273K 208.980 5 3 7.285 2.07 0.9423 [Xe]4f145d106s26p3 YAML RSC ↗
84 Po Polonium Metalloid 6 16 ⬛ solid@273K [209] 6 4 2 8.414 1.97 1.9 [Xe]4f145d106s26p4 YAML RSC ↗
85 At Astatine Metalloid 6 17 ◆ unknown [210] 7 5 3 1 -1 U 2.02 2.8 [Xe]4f145d106s26p5 YAML RSC ↗
86 Rn Radon Noble gas 6 18 ⬤ gas@273K [222] 2 10.75 2.2 Ns [Xe]4f145d106s26p6 YAML RSC ↗
87 Fr Francium Alkali Metal 7 1 ⬛ solid@273K [223] 1 4.073 3.48 0.46 [Rn]7s1 YAML RSC ↗
88 Ra Radium Alkaline Earth Metal 7 2 ⬛ solid@273K [226] 2 5.278 2.83 0.1 [Rn]7s2 YAML RSC ↗
89 Ac Actinium Actinide 7 3 ⬛ solid@273K [227] 3 5.17 2.47 0.35 [Rn]6d17s2 YAML RSC ↗
90 Th Thorium Actinide 7 f-block ⬛ solid@273K 232.038 4 6.307 2.45 U [Rn]6d27s2 YAML RSC ↗
91 Pa Protactinium Actinide 7 f-block ⬛ solid@273K 231.036 5 4 5.89 2.43 U [Rn]5f26d17s2 YAML RSC ↗
92 U Uranium Actinide 7 f-block ⬛ solid@273K 238.029 6 5 4 3 6.194 2.41 U [Rn]5f36d17s2 YAML RSC ↗
93 Np Neptunium Actinide 7 f-block ⬛ solid@273K [237] 6 5 4 3 6.266 2.39 U [Rn]5f46d17s2 YAML RSC ↗
94 Pu Plutonium Actinide 7 f-block ⬛ solid@273K [244] 6 5 4 3 6.026 2.43 U [Rn]5f67s2 YAML RSC ↗
95 Am Americium Actinide 7 f-block ⬛ solid@273K [243] 6 5 4 3 5.974 2.44 U [Rn]5f77s2 YAML RSC ↗
96 Cm Curium Actinide 7 f-block ⬛ solid@273K [247] 4 3 5.991 2.45 U [Rn]5f76d17s2 YAML RSC ↗
97 Bk Berkelium Actinide 7 f-block ⬛ solid@273K [247] 4 3 6.198 2.44 U [Rn]5f97s2 YAML RSC ↗
98 Cf Californium Actinide 7 f-block ⬛ solid@273K [251] 4 3 6.282 2.45 U [Rn]5f107s2 YAML RSC ↗
99 Es Einsteinium Actinide 7 f-block ⬛ solid@273K [252] 3 6.42 2.45 U [Rn]5f117s2 YAML RSC ↗
100 Fm Fermium Actinide 7 f-block ⬛ solid@273K [257] 3 6.5 2.45 U [Rn]5f127s2 YAML RSC ↗
101 Md Mendelevium Actinide 7 f-block ⬛ solid@273K [258] 3 6.58 2.46 U [Rn]5f137s2 YAML RSC ↗
102 No Nobelium Actinide 7 f-block ⬛ solid@273K [259] 3 2 6.65 2.46 U [Rn]5f147s2 YAML RSC ↗
103 Lr Lawrencium Actinide 7 f-block ⬛ solid@273K [262] 3 4.9 2.46 U [Rn]5f147s27p1 YAML RSC ↗
104 Rf Rutherfordium Transitional Metal 7 4 ◆ unknown [267] U 6.001 U U [Rn]5f146d27s2 YAML RSC ↗
105 Db Dubnium Transitional Metal 7 5 ◆ unknown [268] U U U U [Rn]5f146d37s2 YAML RSC ↗
106 Sg Seaborgium Transitional Metal 7 6 ◆ unknown [269] U U U U [Rn]5f146d47s2 YAML RSC ↗
107 Bh Bohrium Transitional Metal 7 7 ◆ unknown [270] U U U U [Rn]5f146d57s2 YAML RSC ↗
108 Hs Hassium Transitional Metal 7 8 ◆ unknown [269] U U U U [Rn]5f146d67s2 YAML RSC ↗
109 Mt Meitnerium Unknown properties 7 9 ◆ unknown [278] U U U U [Rn]5f146d77s2 YAML RSC ↗
110 Ds Darmstadtium Unknown properties 7 10 ◆ unknown [281] U U U U [Rn]5f146d97s1 YAML RSC ↗
111 Rg Roentgenium Unknown properties 7 11 ◆ unknown [280] U U U U [Rn]5f146d107s1 YAML RSC ↗
112 Cn Copernicium Unknown properties 7 12 ◆ unknown [285] U U U U [Rn]5f146d107s2 YAML RSC ↗
113 Nh Nihonium Unknown properties 7 13 ◆ unknown [286] U U U U [Rn]5f146d107s27p1 YAML RSC ↗
114 Fl Flerovium Unknown properties 7 14 ◆ unknown [289] U U U U [Rn]5f146d107s27p2 YAML RSC ↗
115 Mc Moscovium Unknown properties 7 15 ◆ unknown [289] U U U U [Rn]5f146d107s27p3 YAML RSC ↗
116 Lv Livermorium Unknown properties 7 16 ◆ unknown [293] U U U U [Rn]5f146d107s27p4 YAML RSC ↗
117 Ts Tennessine Unknown properties 7 17 ◆ unknown [294] U U U U [Rn]5f146d107s27p5 YAML RSC ↗
118 Og Oganesson Unknown properties 7 18 ◆ unknown [294] U U U 0.056 [Rn]5f146d107s27p6 YAML RSC ↗

Periodic Table of Elements