The interactive periodic table

Last updated: 14.03.2019 by NoelSG


An open-source pet-project

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Hydrogen
Atomic mass: 1.008
Atomic number: 1
Melting point: -259.2 °C
Boiling point: -252.9 °C


Hydrogen is the first element in the periodic table of elements. It is also the lightest, with an atomic mass of 1.008. In its monatomic (H) form, it is the must abundant element in the entire universe.
Helium
Atomic mass: 6.941
Atomic number: 3
1s2
Melting point: -272.2 °C
Boiling point: -268.9 °C


Helium is the second element in the periodic table. It is a noble gas, meaning it is unreactive. As well as hydrogen, it is monatomic. It has the lowest boiling point out of all elements.
Lithium
Atomic mass: 4.003
Atomic number: 3
1s2
Melting point: 180.5 °C
Boiling point: 1,330 °C


Lithium is great

Colour guide:

Alkali metals
Alkaline metals
Halides (halogens)
Noble gases
Metals
Metalloids
Non-metals
Transition Metals
Actinoids
Lanthanides
Other elements

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1
H
1.007
Hydrogen
2
He
4.003
Helium
3
Li
6.941
Lithium
4
Be
9.012
Beryllium
5
B
10.881
Boron
6
C
12.011
Carbon
7
N
14.007
Nitrogen
8
O
15.999
Oxygen
9
F
18.998
Flourine
10
Ne
20.180
Neon
11
Na
22.989
Sodium
12
Mg
24.305
Magnesium
13
Al
26.981
Aluminium
14
Si
28.086
Silicon
15
P
30.977
Phosphorus
16
S
32.065
Sulfur
17
Cl
35.453
Chlorine
18
Ar
39.948
Argon
19
K
39.098
Potassium
20
Ca
40.078
Calcium
21
Sc
44.956
Scandium
22
Ti
47.867
Titanium
23
V
50.942
Vanadium
24
Cr
51.996
Chromium
25
Mn
54.938
Manganese
26
Fe
55.845
Iron
27
Co
58.933
Cobalt
28
Ni
58.693
Nickel
29
Cu
63.546
Copper
30
Zn
65.380
Zinc
31
Ga
69.723
Gallium
32
Ge
72.64
Germanium
33
As
74.922
Arsenic
34
Se
78.96
Selenium
35
Br
79.904
Bromine
36
Kr
83.798
Krypton
37
Rb
85.468
Rubidium
38
Sr
87.620
Strontium
39
Y
88.906
Yttrium
40
Zr
91.224
Zirconium
41
Nb
92.907
Niobium
42
Mo
95.96
Molebdynum
43
Tc
(98)
Technecium
44
Ru
101.070
Ruthenium
45
Rh
192.906
Rhodium
46
Pd
106.420
Palladium
47
Ag
107.868
Silver
48
Cd
112.441
Cadmium
49
In
114.818
Indium
50
Sn
118.710
Tin
51
Sb
121.760
Antimony
52
Te
127.600
Tellerium
53
I
126.904
Iodine
54
Xe
131.293
Xenon
55
Cs
132.905
Caesium
56
Ba
137.327
Barium
71
Lu
174.967
Lutetium
72
Hf
178.490
Hafnium
73
Ta
180.948
Tantalum
74
W
183.840
Tungsten
75
Re
186.207
Rhenium
76
Os
190.230
Osmium
77
Ir
192.217
Iridium
78
Pt
195.084
Platinum
79
Au
196.967
Gold
80
Hg
200.590
Mercury
81
Tl
204.383
Thallium
82
Pb
207.2
Lead
83
Bi
208.980
Bismuth
84
Po
(210)
Polonium
85
At
(210)
Astatine
86
Rn
(220)
Radon
87
Fr
(223)
Francium
88
Ra
(226)
Radium
103
Lr
(262)
Lawrencium
104
Rf
(261)
Rutherfordium
105
Db
(262)
Dubnium
106
Sg
(266)
Siborgium
107
Bh
(264)
Bohrium
108
Hs
(277)
Hassium
109
Mt
(268)
Meitnerium
110
Ds
(271)
Darmstadtium
111
Rg
(272)
Roentgeniun
112
Cn
(285)
Copernicium
113
Uut
(284)
Ununtrium
114
Uuq
(289)
Flerovium
115
Uup
(288)
Ununpentium
116
Uuh
(292)
Livermorium
117
Lv
Ununseptium
118
Uuo
(294)
Ununoctium


Lanthanides



57
La
138.905
Langthanum
58
Ce
140.116
Cerium
59
Pr
140.908
Praseodymium
60
Nd
144.242
Neodymium
61
Pm
(145)
Promethium
62
Sm
150.360
Samarium
63
Eu
151.964
Europium
64
Gd
157.250
Gadolinum
65
Tb
158.925
Terbium
66
Dy
162.500
Dysprosium
67
Ho
164.930
Holmium
68
Er
167.259
Erbium
69
Tm
168.934
Thulium
70
Yb
173.054
Ytterbium
89
Ac
(227)
Actinium
90
Th
232.038
Thorium
91
Pa
231.036
Protactinium
92
U
237.028
Uranium
93
Np
(237)
Neptunium
94
Pu
(244)
Plutonium
95
Am
(243)
Americium
96
Cm
(247)
Curium
97
Bk
(247)
Berkelium
98
Cf
(251)
Californium
99
Es
(252)
Einstenium
100
Fm
(257)
Fermium
101
Md
(258)
Mendelevium
102
No
(259)
Nobelium

Key:

(1)
26
(2)
Fe
(3)
55.845

Indicators:


1. The atomic number (proton number)
2. The symbol of the element
3. The atomic mass (nucleon number)