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Strontium
Critical Pressure of Potassium
Md (Symbol of Mendelevium)
69 (Atomic Number of Thulium)
Boiling Point of Germanium in °F
Hydrogen (H) Properties
H
Hydrogen
Properties
36 /
87
Atomic Mass
1.008
amu
Atomic Number
1
Block
S
D
F
P
S
Boiling Point
20.27
K
Conductivity (Electric)
—
Conductivity (Thermal)
0.1805
W/mK
Crystal Structure
Simple Hexagonal
Decay Mode
—
Density (Liquid)
—
Density (STP)
0.0899
kg/m³
Electron Affinity
72.77
kJ/mol
Electron Configuration (Semantic)
1s¹
Electronegativity (Pauling)
2.2
Electrons per Shell
1
Group
1
Half Life
Stable
year
Heat (Fusion)
0.558
kJ/mol
Heat (Molar)
28.84
J/K.mol
Heat (Specific)
14300
J/(kg K)
Heat (Vaporization)
0.452
kJ/mol
Ionization Energies
1312
kJ/mol
Isotopes Known
¹H, ²H, ³H, ⁴H, ⁵H, ⁶H, ⁷H
Isotopes Stable
¹H, ²H
Magnetic Type
Diamagnetic
Melting Point
13.99
K
Molar Volume
0.01121
Oxidation States
-1c,1c
Period
1
Phase
Gas
@ 22°C
Quantum Numbers
2S1/2
Radius (Covalent)
37
pm
Radius (Empirical)
25
pm
Radius (Van Der Waals)
120
pm
Series
Diatomic Nonmetal
Valence Electrons
1
Wikipedia
https://en.wikipedia.org/wiki/Hydrogen
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1
2
3
4
5
6
7
N
Sy
Name
Block
Block
D
F
P
S
Cell colors represent Block –
Show Series Instead
Lanthanides
(All Group 3)
6
Actinides
(All Group 3)
7
1
H
Hydrogen
S
2
He
Helium
S
3
Li
Lithium
S
4
Be
Beryllium
S
5
B
Boron
P
6
C
Carbon
P
7
N
Nitrogen
P
8
O
Oxygen
P
9
F
Fluorine
P
10
Ne
Neon
P
11
Na
Sodium
S
12
Mg
Magnesium
S
13
Al
Aluminum
P
14
Si
Silicon
P
15
P
Phosphorus
P
16
S
Sulfur
P
17
Cl
Chlorine
P
18
Ar
Argon
P
19
K
Potassium
S
20
Ca
Calcium
S
21
Sc
Scandium
D
22
Ti
Titanium
D
23
V
Vanadium
D
24
Cr
Chromium
D
25
Mn
Manganese
D
26
Fe
Iron
D
27
Co
Cobalt
D
28
Ni
Nickel
D
29
Cu
Copper
D
30
Zn
Zinc
D
31
Ga
Gallium
P
32
Ge
Germanium
P
33
As
Arsenic
P
34
Se
Selenium
P
35
Br
Bromine
P
36
Kr
Krypton
P
37
Rb
Rubidium
S
38
Sr
Strontium
S
39
Y
Yttrium
D
40
Zr
Zirconium
D
41
Nb
Niobium
D
42
Mo
Molybdenum
D
43
Tc
Technetium
D
44
Ru
Ruthenium
D
45
Rh
Rhodium
D
46
Pd
Palladium
D
47
Ag
Silver
D
48
Cd
Cadmium
D
49
In
Indium
P
50
Sn
Tin
P
51
Sb
Antimony
P
52
Te
Tellurium
P
53
I
Iodine
P
54
Xe
Xenon
P
55
Cs
Cesium
S
56
Ba
Barium
S
57
La
Lanthanum
F
58
Ce
Cerium
F
59
Pr
Praseodymium
F
60
Nd
Neodymium
F
61
Pm
Promethium
F
62
Sm
Samarium
F
63
Eu
Europium
F
64
Gd
Gadolinium
F
65
Tb
Terbium
F
66
Dy
Dysprosium
F
67
Ho
Holmium
F
68
Er
Erbium
F
69
Tm
Thulium
F
70
Yb
Ytterbium
F
71
Lu
Lutetium
D
72
Hf
Hafnium
D
73
Ta
Tantalum
D
74
W
Tungsten
D
75
Re
Rhenium
D
76
Os
Osmium
D
77
Ir
Iridium
D
78
Pt
Platinum
D
79
Au
Gold
D
80
Hg
Mercury
D
81
Tl
Thallium
P
82
Pb
Lead
P
83
Bi
Bismuth
P
84
Po
Polonium
P
85
At
Astatine
P
86
Rn
Radon
P
87
Fr
Francium
S
88
Ra
Radium
S
89
Ac
Actinium
F
90
Th
Thorium
F
91
Pa
Protactinium
F
92
U
Uranium
F
93
Np
Neptunium
F
94
Pu
Plutonium
F
95
Am
Americium
F
96
Cm
Curium
F
97
Bk
Berkelium
F
98
Cf
Californium
F
99
Es
Einsteinium
F
100
Fm
Fermium
F
101
Md
Mendelevium
F
102
No
Nobelium
F
103
Lr
Lawrencium
D
104
Rf
Rutherfordium
D
105
Db
Dubnium
D
106
Sg
Seaborgium
D
107
Bh
Bohrium
D
108
Hs
Hassium
D
109
Mt
Meitnerium
D
110
Ds
Darmstadtium
D
111
Rg
Roentgenium
D
112
Cn
Copernicium
D
113
Nh
Nihonium
P
114
Fl
Flerovium
P
115
Mc
Moscovium
P
116
Lv
Livermorium
P
117
Ts
Tennessine
P
118
Og
Oganesson
P
Group
Period
Periodic
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