Rhenium Re
Electron 1
Electron 2
Electron 1
Electron 2
Electron 3
Electron 4
Electron 5
Electron 6
Electron 7
Electron 8
Electron 1
Electron 2
Electron 3
Electron 4
Electron 5
Electron 6
Electron 7
Electron 8
Electron 9
Electron 10
Electron 11
Electron 12
Electron 13
Electron 14
Electron 15
Electron 16
Electron 17
Electron 18
Electron 1
Electron 2
Electron 3
Electron 4
Electron 5
Electron 6
Electron 7
Electron 8
Electron 9
Electron 10
Electron 11
Electron 12
Electron 13
Electron 14
Electron 15
Electron 16
Electron 17
Electron 18
Electron 19
Electron 20
Electron 21
Electron 22
Electron 23
Electron 24
Electron 25
Electron 26
Electron 27
Electron 28
Electron 29
Electron 30
Electron 31
Electron 32
Electron 1
Electron 2
Electron 3
Electron 4
Electron 5
Electron 6
Electron 7
Electron 8
Electron 9
Electron 10
Electron 11
Electron 12
Electron 13
Electron 1
Electron 2
Rhenium is a chemical element with symbol Re and atomic number 75. It is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. With an estimated average concentration of 1 part per billion (ppb), rhenium is one of the rarest elements in the Earth's crust.
75
Atomic Number
186.21 u
Atomic Mass
3453.15 K
Melting Point
5869 K
Boiling Point
21.02 g/cm³
Density
2 Å
Atomic Radius
1.51 Å
Covalent Radius
1.9
Electronegativity
7.83 eV
First Ionization Energy
5.83
Electron Affinity
6
Number of Shells
2, 8, 18, 32, 13, 2
Electron Shell Occupations
0.14 J/g
Specific Heat