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Elements Database

Metals Metalloids Nonmetals
Alkali-metal Alkaline earth metal Lanthanide Actinide Transition metal Post-​transition metal Metalloid Polyatomic nonmetal Diatomic nonmetal Noble gas
Choose the element
1
H
Hydrogen
1.008
H I 656.28 nm
2
He
Helium
4.003
He I 388.87 nm
He I 587.58 nm
3
Li
Lithium
6.940
Li I 323.26 nm
Li I 610.36 nm
Li I 670.78 nm
4
Be
Beryllium
9.012
Be II 234.86 nm
Be II 313.04 nm
Be II 313.11 nm
Be II 467.34 nm
5
B
Boron
10.810
B I 249.77 nm
B II 345.10 nm
6
C
Carbon
12.011
C I 193.09 nm
C I 247.88 nm
C I 396.84 nm
7
N
Nitrogen
14.007
N II 444.70 nm
N II 500.51 nm
N I 746.84 nm
N I 821.07 nm
8
O
Oxygen
15.999
O I 777.19 nm
O I 777.19 nm
O I 777.42 nm
O I 777.54 nm
9
F
Fluorine
18.998
F I 685.60 nm
F I 687.02 nm
F I 690.25 nm
F I 690.98 nm
10
Ne
Neon
20.180
11
Na
Sodium
22.990
Na I 589.00 nm
Na I 589.59 nm
12
Mg
Magnesium
24.305
Mg II 279.55 nm
Mg II 279.81 nm
Mg II 280.27 nm
Mg I 285.21 nm
13
Al
Aluminium
26.982
Al I 308.24 nm
Al I 309.31 nm
Al I 394.41 nm
Al I 396.15 nm
14
Si
Silicon
28.085
Si I 243.51 nm
Si I 251.61 nm
Si I 288.17 nm
Si I 390.55 nm
15
P
Phosphorus
30.974
P I 213.62 nm
P I 214.92 nm
P I 253.57 nm
P I 255.33 nm
16
S
Sulfur
32.060
S I 180.73 nm
S II 545.40 nm
S I 869.46 nm
S I 921.29 nm
17
Cl
Chlorine
35.450
Cl I 837.59 nm
18
Ar
Argon
39.948
Ar I 696.54 nm
Ar I 706.72 nm
Ar I 763.51 nm
19
K
Potassium
39.098
K I 404.41 nm
K I 766.49 nm
K I 769.89 nm
20
Ca
Calcium
40.078
Ca II 315.92 nm
Ca II 317.96 nm
Ca II 393.00 nm
Ca I 422.67 nm
21
Sc
Scandium
44.956
Sc II 361.38 nm
22
Ti
Titanium
47.867
Ti II 323.50 nm
Ti II 334.90 nm
Ti II 334.94 nm
Ti I 498.17 nm
23
V
Vanadium
50.942
V I 411.18 nm
V I 437.92 nm
24
Cr
Chromium
51.996
Cr I 267.70 nm
Cr I 425.44 nm
Cr I 427.48 nm
Cr I 520.60 nm
25
Mn
Manganese
54.938
Mn II 294.90 nm
Mn I 403.06 nm
Mn I 403.31 nm
Mn I 403.45 nm
26
Fe
Iron
55.845
Fe I 253.70 nm
Fe I 302.06 nm
Fe I 404.58 nm
Fe I 427.18 nm
27
Co
Cobalt
58.933
Co II 241.62 nm
Co I 345.37 nm
Co I 351.03 nm
28
Ni
Nickel
58.693
Ni I 341.48 nm
Ni I 349.30 nm
Ni I 352.44 nm
Ni I 361.94 nm
29
Cu
Copper
63.546
Cu I 324.74 nm
Cu I 327.40 nm
Cu I 406.27 nm
Cu I 521.83 nm
30
Zn
Zinc
65.380
Zn I 330.25 nm
Zn I 334.50 nm
Zn I 472.22 nm
Zn I 481.06 nm
31
Ga
Gallium
69.723
Ga I 287.44 nm
Ga I 294.37 nm
Ga I 403.32 nm
Ga I 417.20 nm
32
Ge
Germanium
72.630
Ge I 265.14 nm
Ge I 270.98 nm
Ge I 303.92 nm
Ge I 422.68 nm
33
As
Arsenic
74.922
As I 234.98 nm
As I 278.02 nm
As I 286.04 nm
34
Se
Selenium
78.971
35
Br
Bromine
79.904
Br I 827.20 nm
36
Kr
Krypton
83.798
37
Rb
Rubidium
85.468
Rb I 780.03 nm
38
Sr
Strontium
87.620
Sr II 407.78 nm
Sr II 421.55 nm
39
Y
Yttrium
88.906
Y II 371.03 nm
Y I 398.80 nm
Y I 467.49 nm
40
Zr
Zirconium
91.224
Zr I 362.39 nm
Zr I 397.76 nm
Zr I 410.76 nm
Zr I 468.79 nm
41
Nb
Niobium
92.906
Nb I 405.89 nm
42
Mo
Molybdenum
95.950
Mo I 384.40 nm
Mo I 386.41 nm
Mo I 550.65 nm
43
Tc
Technetium
unknown
Tc I 429.71 nm
44
Ru
Ruthenium
101.070
Ru I 290.89 nm
45
Rh
Rhodium
102.906
Rh I 339.68 nm
Rh I 343.49 nm
46
Pd
Palladium
106.420
Pd I 340.46 nm
Pd I 351.69 nm
47
Ag
Silver
107.868
Ag I 328.08 nm
Ag I 338.31 nm
Ag I 520.93 nm
Ag I 546.57 nm
48
Cd
Cadmium
112.414
Cd I 228.80 nm
Cd I 326.10 nm
Cd I 361.05 nm
Cd I 508.56 nm
49
In
Indium
114.818
In I 451.13 nm
50
Sn
Tin
118.710
Sn I 284.00 nm
Sn I 284.02 nm
Sn I 286.35 nm
Sn I 303.43 nm
51
Sb
Antimony
121.760
Sb I 259.80 nm
Sb I 323.25 nm
52
Te
Tellurium
127.600
Te I 238.34 nm
Te I 238.59 nm
Te I 253.08 nm
53
I
Iodine
126.904
I I 746.90 nm
54
Xe
Xenon
131.293
55
Cs
Caesium
132.905
Cs I 852.11 nm
56
Ba
Barium
137.327
Ba I 389.19 nm
Ba II 413.07 nm
Ba II 455.39 nm
Ba I 553.55 nm
57
La
Lanthanum
138.905
La II 333.75 nm
La II 338.09 nm
La I 394.91 nm
58
Ce
Cerium
140.116
Ce II 394.28 nm
Ce II 457.23 nm
Ce I 560.13 nm
Ce I 569.70 nm
59
Pr
Praseodymium
140.908
Pr II 391.89 nm
Pr II 410.07 nm
Pr II 417.94 nm
Pr I 495.14 nm
60
Nd
Neodymium
144.242
Nd II 423.24 nm
Nd II 430.36 nm
Nd I 488.38 nm
Nd I 489.69 nm
61
Pm
Promethium
unknown
62
Sm
Samarium
150.360
Sm II 392.24 nm
Sm I 476.03 nm
Sm I 491.04 nm
Sm I 551.61 nm
63
Eu
Europium
151.964
Eu II 397.20 nm
Eu II 443.56 nm
Eu I 462.72 nm
Eu I 466.19 nm
64
Gd
Gadolinium
157.250
Gd II 367.12 nm
Gd II 367.12 nm
Gd II 409.86 nm
Gd I 419.08 nm
65
Tb
Terbium
158.925
Tb II 384.87 nm
66
Dy
Dysprosium
162.500
Dy II 353.17 nm
67
Ho
Holmium
164.930
68
Er
Erbium
167.259
Er II 349.91 nm
69
Tm
Thulium
168.934
Tm I 388.31 nm
70
Yb
Ytterbium
173.045
Yb II 328.94 nm
Yb II 369.42 nm
Yb I 398.80 nm
71
Lu
Lutetium
174.967
Lu II 291.14 nm
72
Hf
Hafnium
178.490
Hf I 368.24 nm
Hf I 417.46 nm
73
Ta
Tantalum
180.948
Ta II 240.06 nm
Ta I 468.21 nm
74
W
Tungsten
183.840
W II 259.87 nm
W I 429.46 nm
W II 434.81 nm
W I 505.33 nm
75
Re
Rhenium
186.207
Re I 346.05 nm
Re I 451.33 nm
Re I 488.91 nm
Re I 527.56 nm
76
Os
Osmium
190.230
77
Ir
Iridium
192.217
78
Pt
Platinum
195.084
Pt I 274.76 nm
Pt I 396.63 nm
79
Au
Gold
196.967
Au I 242.80 nm
Au I 267.59 nm
Au I 312.29 nm
80
Hg
Mercury
200.592
Hg I 253.65 nm
Hg I 435.83 nm
81
Tl
Thallium
204.380
Tl I 535.05 nm
82
Pb
Lead
207.200
Pb I 368.37 nm
Pb I 405.81 nm
83
Bi
Bismuth
208.980
Bi I 293.83 nm
Bi I 298.90 nm
Bi I 302.46 nm
Bi I 306.77 nm
84
Po
Polonium
unknown
85
At
Astatine
unknown
86
Rn
Radon
unknown
87
Fr
Francium
unknown
88
Ra
Radium
unknown
89
Ac
Actinium
unknown
90
Th
Thorium
232.038
Th II 411.67 nm
Th II 438.19 nm
Th II 439.11 nm
91
Pa
Protactinium
231.036
92
U
Uranium
238.029
U II 367.01 nm
U II 409.01 nm
U II 454.36 nm
93
Np
Neptunium
unknown
94
Pu
Plutonium
unknown
95
Am
Americium
unknown
96
Cm
Curium
unknown
97
Bk
Berkelium
unknown
98
Cf
Californium
unknown
99
Es
Einsteinium
unknown
100
Fm
Fermium
unknown
101
Md
Mendelevium
unknown
102
No
Nobelium
unknown
103
Lr
Lawrencium
unknown
104
Rf
Rutherfordium
unknown
105
Db
Dubnium
unknown
106
Sg
Seaborgium
unknown
107
Bh
Bohrium
unknown
108
Hs
Hassium
unknown
109
Mt
Meitnerium
unknown
110
Ds
Darmstadtium
unknown
111
Rg
Roentgenium
unknown
112
Cn
Copernicium
unknown
113
Nh
Nihonium
unknown
114
Fl
Flerovium
unknown
115
Mc
Moscovium
unknown
116
Lv
Livermorium
unknown
117
Ts
Tennessine
unknown
118
Og
Oganesson
unknown
1
IA
18
VIIIA
1
H
Hydrogen
1.008
2
IIA
13
IIIA
14
IVA
15
VA
16
VIA
17
VIIA
2
He
Helium
4.003

Emission lines shown below the selected element are taken from the list of spectroscopic lines maintained by the AtomTrace company. All selected lines were observed in the optical emission of laser induced plasmas.

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