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Gold
Hardness of Francium
Dy (Symbol of Dysprosium)
79 (Atomic Number of Gold)
Discovered of Holmium in min
Rf
Rutherfordium
Properties
Isotopes
Electrons
37 /
89
Atomic Mass
267
amu
Atomic Number
104
Block
D
Boiling Point
5800
K
Conductivity (Electric)
—
Conductivity (Thermal)
—
Crystal Structure
—
Decay Mode
AlphaEmission
Density (Liquid)
—
Density (STP)
—
Electron Affinity
—
Electron Configuration (Semantic)
[Rn] 5f¹⁴ 6d² 7s²
Electronegativity (Pauling)
—
Electrons Per Shell
2, 8, 18, 32, 32, 10, 2
Energy Levels
2, 8, 18, 32, 32, 10, 2
e⁻️
Group
4
Half Life
13.06
year
Heat (Fusion)
—
Heat (Molar)
—
Heat (Specific)
—
Heat (Vaporization)
—
Ionization Energies
580
kJ/mol
Isotopes Known
²⁵³Rf, ²⁵⁴Rf, ²⁵⁵Rf, ²⁵⁶Rf, ²⁵⁷Rf, ²⁵⁸Rf, ²⁵⁹Rf, ²⁶⁰Rf, ²⁶¹Rf, ²⁶²Rf, ²⁶³Rf, ²⁶⁴Rf, ²⁶⁵Rf, ²⁶⁶Rf, ²⁶⁷Rf, ²⁶⁸Rf
Isotopes Stable
None
Magnetic Type
—
Melting Point
2400
K
Molar Volume
—
Oxidation States
4c
Period
7
Phase
Solid
@ 22°C
Quantum Numbers
3F2
Radius (Covalent)
—
Radius (Empirical)
—
Radius (Van Der Waals)
—
Series
Transition Metal
Valence Electrons
4
Wikipedia
https://en.wikipedia.org/wiki/Rutherfordium
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4
5
6
7
N
Sy
Name
Atomic Mass
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
1.008
2
He
Helium
4.003
3
Li
Lithium
6.94
4
Be
Beryllium
9.012
5
B
Boron
10.81
6
C
Carbon
12.01
7
N
Nitrogen
14.01
8
O
Oxygen
16
9
F
Fluorine
19
10
Ne
Neon
20.18
11
Na
Sodium
22.99
12
Mg
Magnesium
24.3
13
Al
Aluminum
26.98
14
Si
Silicon
28.09
15
P
Phosphorus
30.97
16
S
Sulfur
32.06
17
Cl
Chlorine
35.45
18
Ar
Argon
39.95
19
K
Potassium
39.1
20
Ca
Calcium
40.08
21
Sc
Scandium
44.96
22
Ti
Titanium
47.87
23
V
Vanadium
50.94
24
Cr
Chromium
52
25
Mn
Manganese
54.94
26
Fe
Iron
55.85
27
Co
Cobalt
58.93
28
Ni
Nickel
58.69
29
Cu
Copper
63.55
30
Zn
Zinc
65.38
31
Ga
Gallium
69.72
32
Ge
Germanium
72.63
33
As
Arsenic
74.92
34
Se
Selenium
78.97
35
Br
Bromine
79.9
36
Kr
Krypton
83.8
37
Rb
Rubidium
85.47
38
Sr
Strontium
87.62
39
Y
Yttrium
88.91
40
Zr
Zirconium
91.22
41
Nb
Niobium
92.91
42
Mo
Molybdenum
95.95
43
Tc
Technetium
98
44
Ru
Ruthenium
101.1
45
Rh
Rhodium
102.9
46
Pd
Palladium
106.4
47
Ag
Silver
107.9
48
Cd
Cadmium
112.4
49
In
Indium
114.8
50
Sn
Tin
118.7
51
Sb
Antimony
121.8
52
Te
Tellurium
127.6
53
I
Iodine
126.9
54
Xe
Xenon
131.3
55
Cs
Cesium
132.9
56
Ba
Barium
137.3
57
La
Lanthanum
138.9
58
Ce
Cerium
140.1
59
Pr
Praseodymium
140.9
60
Nd
Neodymium
144.2
61
Pm
Promethium
145
62
Sm
Samarium
150.4
63
Eu
Europium
152
64
Gd
Gadolinium
157.3
65
Tb
Terbium
158.9
66
Dy
Dysprosium
162.5
67
Ho
Holmium
164.9
68
Er
Erbium
167.3
69
Tm
Thulium
168.9
70
Yb
Ytterbium
173
71
Lu
Lutetium
175
72
Hf
Hafnium
178.5
73
Ta
Tantalum
180.9
74
W
Tungsten
183.8
75
Re
Rhenium
186.2
76
Os
Osmium
190.2
77
Ir
Iridium
192.2
78
Pt
Platinum
195.1
79
Au
Gold
197
80
Hg
Mercury
200.6
81
Tl
Thallium
204.4
82
Pb
Lead
207.2
83
Bi
Bismuth
209
84
Po
Polonium
209
85
At
Astatine
210
86
Rn
Radon
222
87
Fr
Francium
223
88
Ra
Radium
226
89
Ac
Actinium
227
90
Th
Thorium
232
91
Pa
Protactinium
231
92
U
Uranium
238
93
Np
Neptunium
237
94
Pu
Plutonium
244
95
Am
Americium
243
96
Cm
Curium
247
97
Bk
Berkelium
247
98
Cf
Californium
251
99
Es
Einsteinium
252
100
Fm
Fermium
257
101
Md
Mendelevium
258
102
No
Nobelium
259
103
Lr
Lawrencium
266
104
Rf
Rutherfordium
267
105
Db
Dubnium
268
106
Sg
Seaborgium
269
107
Bh
Bohrium
270
108
Hs
Hassium
269
109
Mt
Meitnerium
278
110
Ds
Darmstadtium
281
111
Rg
Roentgenium
282
112
Cn
Copernicium
285
113
Nh
Nihonium
286
114
Fl
Flerovium
289
115
Mc
Moscovium
289
116
Lv
Livermorium
293
117
Ts
Tennessine
294
118
Og
Oganesson
294
Group
Period
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