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Selenium
Ionization Energies of Molybdenum
Sm (Symbol of Samarium)
62 (Atomic Number of Samarium)
Electron Affinity of Bohrium in J/mol
Potassium (K) Properties
K
Potassium
Properties
36 /
87
Atomic Mass
39.1
amu
Atomic Number
19
Block
S
Boiling Point
1032
K
Conductivity (Electric)
14
MS/m
Conductivity (Thermal)
100
W/mK
Crystal Structure
Body-centered Cubic
Decay Mode
—
Density (Liquid)
828
kg/m³
Density (STP)
856
kg/m³
Electron Affinity
48.38
kJ/mol
Electron Configuration (Semantic)
[Ar] 4s¹
Electronegativity (Pauling)
0.82
Electrons per Shell
2, 8, 8, 1
Group
1
Half Life
Stable
year
Heat (Fusion)
2.33
kJ/mol
Heat (Molar)
29.6
J/K.mol
Heat (Specific)
757
J/(kg K)
Heat (Vaporization)
76.9
kJ/mol
Ionization Energies
418.8, 3052, 4420, 5877, 7975, 9590, 11340, 14940, 16960, 48610, 54490, 60730, 68950, 75900, 83080, 93400, 99710, 444900, 476100
kJ/mol
Isotopes Known
³²K, ³³K, ³⁴K, ³⁵K, ³⁶K, ³⁷K, ³⁸K, ³⁹K, ⁴⁰K, ⁴¹K, ⁴²K, ⁴³K, ⁴⁴K, ⁴⁵K, ⁴⁶K, ⁴⁷K, ⁴⁸K, ⁴⁹K, ⁵⁰K, ⁵¹K, ⁵²K, ⁵³K, ⁵⁴K, ⁵⁵K
Isotopes Stable
³⁹K, ⁴¹K
Magnetic Type
Paramagnetic
Melting Point
336.7
K
Molar Volume
0.00004568
Oxidation States
-1,1c
Period
4
Phase
Solid
@ 22°C
Quantum Numbers
2S1/2
Radius (Covalent)
196
pm
Radius (Empirical)
220
pm
Radius (Van Der Waals)
275
pm
120
Linear (pm)
275
Series
Alkali Metal
Valence Electrons
1
Wikipedia
https://en.wikipedia.org/wiki/Potassium
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18
1
2
3
4
5
6
7
N
Sy
Name
Radius (Van Der Waals)
Radius (Van Der Waals)
pm
120
Linear
275
Cell colors represent Radius (Van Der Waals) –
Show Series Instead
Lanthanides
(All Group 3)
6
Actinides
(All Group 3)
7
1
H
Hydrogen
120
2
He
Helium
140
3
Li
Lithium
182
4
Be
Beryllium
5
B
Boron
6
C
Carbon
170
7
N
Nitrogen
155
8
O
Oxygen
152
9
F
Fluorine
147
10
Ne
Neon
154
11
Na
Sodium
227
12
Mg
Magnesium
173
13
Al
Aluminum
14
Si
Silicon
210
15
P
Phosphorus
180
16
S
Sulfur
180
17
Cl
Chlorine
175
18
Ar
Argon
188
19
K
Potassium
275
20
Ca
Calcium
21
Sc
Scandium
22
Ti
Titanium
23
V
Vanadium
24
Cr
Chromium
25
Mn
Manganese
26
Fe
Iron
27
Co
Cobalt
28
Ni
Nickel
163
29
Cu
Copper
140
30
Zn
Zinc
139
31
Ga
Gallium
187
32
Ge
Germanium
33
As
Arsenic
185
34
Se
Selenium
190
35
Br
Bromine
185
36
Kr
Krypton
202
37
Rb
Rubidium
38
Sr
Strontium
39
Y
Yttrium
40
Zr
Zirconium
41
Nb
Niobium
42
Mo
Molybdenum
43
Tc
Technetium
44
Ru
Ruthenium
45
Rh
Rhodium
46
Pd
Palladium
163
47
Ag
Silver
172
48
Cd
Cadmium
158
49
In
Indium
193
50
Sn
Tin
217
51
Sb
Antimony
52
Te
Tellurium
206
53
I
Iodine
198
54
Xe
Xenon
216
55
Cs
Cesium
56
Ba
Barium
57
La
Lanthanum
58
Ce
Cerium
59
Pr
Praseodymium
60
Nd
Neodymium
61
Pm
Promethium
62
Sm
Samarium
63
Eu
Europium
64
Gd
Gadolinium
65
Tb
Terbium
66
Dy
Dysprosium
67
Ho
Holmium
68
Er
Erbium
69
Tm
Thulium
70
Yb
Ytterbium
71
Lu
Lutetium
72
Hf
Hafnium
73
Ta
Tantalum
74
W
Tungsten
75
Re
Rhenium
76
Os
Osmium
77
Ir
Iridium
78
Pt
Platinum
175
79
Au
Gold
166
80
Hg
Mercury
155
81
Tl
Thallium
196
82
Pb
Lead
202
83
Bi
Bismuth
84
Po
Polonium
85
At
Astatine
86
Rn
Radon
87
Fr
Francium
88
Ra
Radium
89
Ac
Actinium
90
Th
Thorium
91
Pa
Protactinium
92
U
Uranium
186
93
Np
Neptunium
94
Pu
Plutonium
95
Am
Americium
96
Cm
Curium
97
Bk
Berkelium
98
Cf
Californium
99
Es
Einsteinium
100
Fm
Fermium
101
Md
Mendelevium
102
No
Nobelium
103
Lr
Lawrencium
104
Rf
Rutherfordium
105
Db
Dubnium
106
Sg
Seaborgium
107
Bh
Bohrium
108
Hs
Hassium
109
Mt
Meitnerium
110
Ds
Darmstadtium
111
Rg
Roentgenium
112
Cn
Copernicium
113
Nh
Nihonium
114
Fl
Flerovium
115
Mc
Moscovium
116
Lv
Livermorium
117
Ts
Tennessine
118
Og
Oganesson
Group
Period
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