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Dysprosium
Melting Point of Rhodium
Mt (Symbol of Meitnerium)
84 (Atomic Number of Polonium)
Curie Point of Lawrencium in °C
Boron (B) Properties
B
Boron
Properties
36 /
87
Atomic Mass
10.81
amu
Atomic Number
5
Block
P
Boiling Point
4200
K
Conductivity (Electric)
1.000e-10
MS/m
Conductivity (Thermal)
27
W/mK
Crystal Structure
Simple Trigonal
Decay Mode
—
Density (Liquid)
2080
kg/m³
Density (STP)
2460
kg/m³
Electron Affinity
26.99
kJ/mol
Electron Configuration (Semantic)
[He] 2s² 2p¹
Electronegativity (Pauling)
2.04
Electrons per Shell
2, 3
Group
13
Half Life
Stable
year
Heat (Fusion)
50
kJ/mol
Heat (Molar)
11.09
J/K.mol
Heat (Specific)
1030
J/(kg K)
Heat (Vaporization)
507
kJ/mol
Ionization Energies
800.6, 2427, 3660, 25030, 32830
kJ/mol
Isotopes Known
⁶B, ⁷B, ⁸B, ⁹B, ¹⁰B, ¹¹B, ¹²B, ¹³B, ¹⁴B, ¹⁵B, ¹⁶B, ¹⁷B, ¹⁸B, ¹⁹B
Isotopes Stable
¹⁰B, ¹¹B
Magnetic Type
Diamagnetic
Melting Point
2349
K
Molar Volume
0.0000043943
Oxidation States
1,2,3c
Period
2
Phase
Solid
@ 22°C
Quantum Numbers
2P1/2
Radius (Covalent)
82
pm
Radius (Empirical)
85
pm
Radius (Van Der Waals)
—
Series
Metalloid
Valence Electrons
3
Wikipedia
https://en.wikipedia.org/wiki/Boron
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Sy
Name
Hardness (Vickers)
Hardness (Vickers)
MPa
167
Quantile
49,000
Cell colors represent Hardness (Vickers) –
Show Series Instead
Lanthanides
(All Group 3)
6
Actinides
(All Group 3)
7
1
H
Hydrogen
2
He
Helium
3
Li
Lithium
4
Be
Beryllium
1670
5
B
Boron
49000
6
C
Carbon
7
N
Nitrogen
8
O
Oxygen
9
F
Fluorine
10
Ne
Neon
11
Na
Sodium
12
Mg
Magnesium
13
Al
Aluminum
167
14
Si
Silicon
15
P
Phosphorus
16
S
Sulfur
17
Cl
Chlorine
18
Ar
Argon
19
K
Potassium
20
Ca
Calcium
21
Sc
Scandium
22
Ti
Titanium
970
23
V
Vanadium
628
24
Cr
Chromium
1060
25
Mn
Manganese
26
Fe
Iron
608
27
Co
Cobalt
1043
28
Ni
Nickel
638
29
Cu
Copper
369
30
Zn
Zinc
31
Ga
Gallium
32
Ge
Germanium
33
As
Arsenic
34
Se
Selenium
35
Br
Bromine
36
Kr
Krypton
37
Rb
Rubidium
38
Sr
Strontium
39
Y
Yttrium
40
Zr
Zirconium
903
41
Nb
Niobium
1320
42
Mo
Molybdenum
1530
43
Tc
Technetium
44
Ru
Ruthenium
45
Rh
Rhodium
1246
46
Pd
Palladium
461
47
Ag
Silver
251
48
Cd
Cadmium
49
In
Indium
50
Sn
Tin
51
Sb
Antimony
52
Te
Tellurium
53
I
Iodine
54
Xe
Xenon
55
Cs
Cesium
56
Ba
Barium
57
La
Lanthanum
491
58
Ce
Cerium
270
59
Pr
Praseodymium
400
60
Nd
Neodymium
343
61
Pm
Promethium
62
Sm
Samarium
412
63
Eu
Europium
167
64
Gd
Gadolinium
570
65
Tb
Terbium
863
66
Dy
Dysprosium
540
67
Ho
Holmium
481
68
Er
Erbium
589
69
Tm
Thulium
520
70
Yb
Ytterbium
206
71
Lu
Lutetium
1160
72
Hf
Hafnium
1760
73
Ta
Tantalum
873
74
W
Tungsten
3430
75
Re
Rhenium
2450
76
Os
Osmium
77
Ir
Iridium
1760
78
Pt
Platinum
549
79
Au
Gold
216
80
Hg
Mercury
81
Tl
Thallium
82
Pb
Lead
83
Bi
Bismuth
84
Po
Polonium
85
At
Astatine
86
Rn
Radon
87
Fr
Francium
88
Ra
Radium
89
Ac
Actinium
90
Th
Thorium
350
91
Pa
Protactinium
92
U
Uranium
1960
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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