Rhenium Element (Periodic Table)

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Rhenium

Rhenium (Re) is a chemical element of the periodic table, located in the group 7 and the period 6, and has the atomic number 75. It is a rare, lustrous, silvery-white transition metal, whose name comes from the Latin word “Rhenus”, which means the Rhine. It has the highest melting point and boiling point of all metals.

group
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
period
1
 1
H
 2
He
2
 3
Li
 4
Be
 5
B
 6
C
 7
N
 8
O
 9
F
 10
Ne
3
 11
Na
 12
Mg
 13
Al
 14
Si
 15
P
 16
S
 17
Cl
 18
Ar
4
 19
K
 20
Ca
 21
Sc
 22
Ti
 23
V
 24
Cr
 25
Mn
 26
Fe
 27
Co
 28
Ni
 29
Cu
 30
Zn
 31
Ga
 32
Ge
 33
As
 34
Se
 35
Br
 36
Kr
5
 37
Rb
 38
Sr
 39
Y
 40
Zr
 41
Nb
 42
Mo
 43
Tc
 44
Ru
 45
Rh
 46
Pd
 47
Ag
 48
Cd
 49
In
 50
Sn
 51
Sb
 52
Te
 53
I
 54
Xe
6
 55
Cs
 56
Ba
 72
Hf
 73
Ta
 74
W
 75
Re
 76
Os
 77
Ir
 78
Pt
 79
Au
 80
Hg
 81
Tl
 82
Pb
 83
Bi
 84
Po
 85
At
 86
Rn
7
 87
Fr
 88
Ra
 104
Rf
 105
Db
 106
Sg
 107
Bh
 108
Hs
 109
Mt
 110
Ds
 111
Rg
 112
Cn
 113
Nh
 114
Fl
 115
Mc
 116
Lv
 117
Ts
 118
Og
57
La
 58
Ce
 59
Pr
 60
Nd
 61
Pm
 62
Sm
 63
Eu
 64
Gd
 65
Tb
 66
Dy
 67
Ho
 68
Er
 69
Tm
 70
Yb
 71
Lu
89
Ac
 90
Th
 91
Pa
 92
U
 93
Np
 94
Pu
 95
Am
 96
Cm
 97
Bk
 98
Cf
 99
Es
 100
Fm
 101
Md
 102
No
 103
Lr
– d block

FAQs on Rhenium Element

Rhenium
‣ What does rhenium look like?

Appearance: silvery-greyish
‣ Who discovered rhenium? When was the element rhenium discovered?

Discovery: Walter Noddack, Ida Noddack, Otto Berg (1925)
First isolation: Walter Noddack, Ida Noddack (1928)
‣ Where is rhenium on the periodic table?

Rhenium Periodic Table

Location: Rhenium is found in the seventh column of the periodic table, next to the tungsten element.
‣ What is rhenium’s atomic number?

Atomic number (Z): 75
‣ What’s the symbol for rhenium?

Symbol: Re
‣ Rhenium atomic weight: 186.207
‣ What block does rhenium belong to?

Block: d-block
‣ Rhenium is in what group on the periodic table?

Group: 7
‣ What period is rhenium on the periodic table?

Period: 6
‣ What is the atomic radius of rhenium?

Atomic radius: empirical: 137 pm
‣ Rhenium covalent radius: 151±7 pm
‣ What is the melting point of rhenium?

Melting point: 3459 K (3186 °C, 5767 °F)
‣ What is the boiling point of rhenium?

Boiling point: 5903 K (5630 °C, 10,170 °F)
‣ How many shells does rhenium have?

Electrons per shell: 2, 8, 18, 32, 13, 2
‣ What is the electron configuration of rhenium?

Electron configuration: [Xe] 4f14 5d5 6s2
‣ Rhenium ionization energies:
1st: 760 kJ/mol
2nd: 1260 kJ/mol
3rd: 2510 kJ/mol
‣ What is the phase of rhenium?

Phase (at r.t): solid
‣ Rhenium density (near r.t): 21.02 g/cm3
when liquid (at m.p): 18.9 g/cm3
‣ Rhenium magnetic ordering: paramagnetic
‣ Rhenium natural occurrence: primordial
‣ What is the oxidation state of rhenium?

Oxidation state: +1, +2, +3, +4, +5, +6, +7
‣ What’s the electronegativity of rhenium?

Electronegativity: Pauling scale: 1.9
‣ Rhenium poisson’s ratio: 0.30
‣ Rhenium heat of fusion: 60.43 kJ/mol
‣ Rhenium heat of vaporization: 704 kJ/mol
‣ Rhenium molar heat capacity: 25.48 J/(mol K)
‣ Rhenium molar magnetic susceptibility: +67.6 × 10-6 cm3/mol (293 K)
‣ Speed of sound in rhenium: 4700 m/s (at 20 °C)
‣ What is the crystal structure of rhenium?

Crystal structure: hexagonal close-packed (hcp)
‣ Thermal expansion of rhenium: 6.2 µm/(m.K)
‣ Thermal conductivity of rhenium: 48.0 W/(m.K)
‣ Rhenium electrical resistivity: 193 nΩ.m (at 20 °C)
‣ Rhenium hardness

Mohs hardness: 7.0
Vickers hardness: 1350-7850 MPa
Brinell hardness: 1320-2500 MPa
‣ Young’s modulus of rhenium: 463 GPa
‣ Shear modulus of rhenium: 178 GPa
‣ Bulk modulus of rhenium: 370 GPa
‣ Rhenium CAS number: 7440-15-5

‣ Rhenium vapor pressure

Vapor pressure
P (Pa)1101001 k10 k100 k
at T (K)330336144009450051275954

‣ How many isotopes does rhenium have?

Main isotopes of rhenium
IsotopeAbundanceHalf-life (t1/2)Decay modeProduct
185Re37.4 %stable
187Re62.6 %4.12 × 1010 yβ–187Os

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