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Zirconium (Zr)

Atomic number: 40 · Category: transition metal · Group 4 · Period 5 · Phase: Solid

Zirconium is a chemical element with symbol Zr and atomic number 40. The name of zirconium is taken from the name of the mineral zircon, the most important source of zirconium. The word zircon comes from the Persian word zargun زرگون, meaning "gold-colored".

Atomic mass: 91.2242
Density: 6.52
Melting point: 2128 K
Boiling point: 4650 K
Appearance: silvery white
Source: Wikipedia
Block: d
Molar heat: 25.36
CPK color:#94e0e0

Electronic structure

Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d2
Configuration (semantic): [Kr] 4d2 5s2
Shells: 2, 8, 18, 10, 2
Electronegativity (Pauling): 1.33
Electron affinity: 41.806
Ionization energies: 640.1, 1270, 2218, 3313, 7752, 9500

Periodic position

Group: 4
Period: 5
xpos: 4
ypos: 5

Spectral/Bohr images

Image
Two pieces of Zirconium, 1 cm each.
3D Model