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Rhenium (Re)
Atomic number: 75 · Category: transition metal · Group 7 · Period 6 · Phase: Solid
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.
Atomic mass: 186.2071
Density: 21.02
Melting point: 3459 K
Boiling point: 5869 K
Appearance: silvery-grayish
Source: Wikipedia
Block: d
Molar heat: 25.48
CPK color:#267dab
Electronic structure
Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d5
Configuration (semantic): [Xe] 4f14 5d5 6s2
Shells: 2, 8, 18, 32, 13, 2
Electronegativity (Pauling): 1.9
Electron affinity: 5.8273
Ionization energies: 760, 1260, 2510, 3640
Periodic position
Group: 7
Period: 6
xpos: 7
ypos: 6
Spectral/Bohr images
Image
3D Model