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Chromium
Modulus of Iodine
Ar (Symbol of Argon)
11 (Atomic Number of Sodium)
Neel Point of Curium in °C
Hydrogen (H) Properties
H
Hydrogen
Properties
36 /
87
Atomic Mass
1.008
amu
Atomic Number
1
Block
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
Actinide
Alkali Metal
Alkaline Earth Metal
Diatomic Nonmetal
Lanthanide
Metalloid
Noble Gas
Polyatomic Nonmetal
Post-Transition Metal
Transition Metal
Valence Electrons
1
Wikipedia
https://en.wikipedia.org/wiki/Hydrogen
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
N
Sy
Name
Series
Series
Metals
Nonmetals
Alkali Metal
Alkaline Earth Metal
Lanthanide
Actinide
Transition Metal
Post-Transition Metal
Metalloid
Polyatomic Nonmetal
Diatomic Nonmetal
Noble Gas
Lanthanides
(All Group 3)
6
Actinides
(All Group 3)
7
1
H
Hydrogen
DN
2
He
Helium
NG
3
Li
Lithium
AM
4
Be
Beryllium
AEM
5
B
Boron
M
6
C
Carbon
PN
7
N
Nitrogen
DN
8
O
Oxygen
DN
9
F
Fluorine
DN
10
Ne
Neon
NG
11
Na
Sodium
AM
12
Mg
Magnesium
AEM
13
Al
Aluminum
PM
14
Si
Silicon
M
15
P
Phosphorus
PN
16
S
Sulfur
PN
17
Cl
Chlorine
DN
18
Ar
Argon
NG
19
K
Potassium
AM
20
Ca
Calcium
AEM
21
Sc
Scandium
TM
22
Ti
Titanium
TM
23
V
Vanadium
TM
24
Cr
Chromium
TM
25
Mn
Manganese
TM
26
Fe
Iron
TM
27
Co
Cobalt
TM
28
Ni
Nickel
TM
29
Cu
Copper
TM
30
Zn
Zinc
TM
31
Ga
Gallium
PM
32
Ge
Germanium
M
33
As
Arsenic
M
34
Se
Selenium
PN
35
Br
Bromine
DN
36
Kr
Krypton
NG
37
Rb
Rubidium
AM
38
Sr
Strontium
AEM
39
Y
Yttrium
TM
40
Zr
Zirconium
TM
41
Nb
Niobium
TM
42
Mo
Molybdenum
TM
43
Tc
Technetium
TM
44
Ru
Ruthenium
TM
45
Rh
Rhodium
TM
46
Pd
Palladium
TM
47
Ag
Silver
TM
48
Cd
Cadmium
TM
49
In
Indium
PM
50
Sn
Tin
PM
51
Sb
Antimony
M
52
Te
Tellurium
M
53
I
Iodine
DN
54
Xe
Xenon
NG
55
Cs
Cesium
AM
56
Ba
Barium
AEM
57
La
Lanthanum
L
58
Ce
Cerium
L
59
Pr
Praseodymium
L
60
Nd
Neodymium
L
61
Pm
Promethium
L
62
Sm
Samarium
L
63
Eu
Europium
L
64
Gd
Gadolinium
L
65
Tb
Terbium
L
66
Dy
Dysprosium
L
67
Ho
Holmium
L
68
Er
Erbium
L
69
Tm
Thulium
L
70
Yb
Ytterbium
L
71
Lu
Lutetium
L
72
Hf
Hafnium
TM
73
Ta
Tantalum
TM
74
W
Tungsten
TM
75
Re
Rhenium
TM
76
Os
Osmium
TM
77
Ir
Iridium
TM
78
Pt
Platinum
TM
79
Au
Gold
TM
80
Hg
Mercury
TM
81
Tl
Thallium
PM
82
Pb
Lead
PM
83
Bi
Bismuth
PM
84
Po
Polonium
PM
85
At
Astatine
M
86
Rn
Radon
NG
87
Fr
Francium
AM
88
Ra
Radium
AEM
89
Ac
Actinium
A
90
Th
Thorium
A
91
Pa
Protactinium
A
92
U
Uranium
A
93
Np
Neptunium
A
94
Pu
Plutonium
A
95
Am
Americium
A
96
Cm
Curium
A
97
Bk
Berkelium
A
98
Cf
Californium
A
99
Es
Einsteinium
A
100
Fm
Fermium
A
101
Md
Mendelevium
A
102
No
Nobelium
A
103
Lr
Lawrencium
A
104
Rf
Rutherfordium
TM
105
Db
Dubnium
TM
106
Sg
Seaborgium
TM
107
Bh
Bohrium
TM
108
Hs
Hassium
TM
109
Mt
Meitnerium
U
110
Ds
Darmstadtium
U
111
Rg
Roentgenium
U
112
Cn
Copernicium
U
113
Nh
Nihonium
U
114
Fl
Flerovium
U
115
Mc
Moscovium
U
116
Lv
Livermorium
U
117
Ts
Tennessine
U
118
Og
Oganesson
U
Group
Period
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