Zirconium

Symbol ZrAtomic number 40
Atomic mass
91.22
 Thermal conductivity
0.227
Atomic radius
2.16
 Covalent radius
1.45
Density
6.49
 Atomic volume
14.1
Melting point
2125
 Oxidation states
4
Boiling point
4682
 Stable isotopes
5
Heat of vapor.
58.20
 Electronegativity
1.33
Heat of fusion
16.90
 First ionization
6.84
Specific heat
0.27
 Electrical conduct.
...
Electron configuration

General descriptionNuclear data
 Index

Periodic Table

Chemistry concepts
 
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Zirconium

Zirconium occurs in nature principally as a silicate mineral zircon, ZrSiO4. It is a hard mineral found in a variety of colors (white, blue, red, green) and is used as a semi-precious stone in jewelry.

Another mineral form is the carbonate mineral Weloganite.

Atomic dataNuclear data
 Index

Periodic Table

Chemistry concepts

Reference
Pauling
Ch. 29
 
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Zirconium Nuclear Data

Z
A
Atomic
Mass (u)
Nuclear
Mass(GeV/c2
Binding
Energy(MeV)
Spin
Natural
Abund.
Half-life
Decay
Q
MeV
40
90
89.904703
83.7259
783.90
0
0.5145
stable
...
...
40
91
90.905644
84.6583
791.10
5/2
0.1122
stable
...
...
40
92
91.905039
85.5893
799.73
0
0.1715
stable
...
...
40
93
92.906474
86.5221
806.47
5/2
...
1.5My
b-
0.08
40
94
93.906315
87.4534
814.69
0
0.1738
stable
...
...
40
96
95.908275
89.3183
829.01
0
0.028
stable
...
...
Atomic data
Index

Periodic Table

Chemistry concepts

Reference
Rohlf
 
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