#30
Zinc
transition metal· Solid·65.382 u
Zinc, in commerce also spelter, is a chemical element with symbol Zn and atomic number 30. It is the first element of group 12 of the periodic table. In some respects zinc is chemically similar to magnesium:its ion is of similar size and its only common oxidation state is +2.
Read on Wikipedia
Identity
- Symbol
- Zn
- Atomic Number
- 30
- Atomic Mass
- 65.382 u
- Category
- transition metal
- Block
- d-block
- Period
- 4
- Group
- 12
- Appearance
- silver-gray
- Year Discovered
- 1746 CE
- Discovered By
- India
- Named By
- tine
Electrons
- Configuration
- [Ar] 3d10 4s2
- Full Configuration
- 1s2 2s2 2p6 3s2 3p6 4s2 3d10
- Shells
- 2, 8, 18, 2
- Electronegativity
- 1.65
- Electron Affinity
- -58
- Oxidation States
- +2
- Ionization Energies
- 906.4, 1733.3, 3833, 5731, 7970 … +16 more
Physical Properties
- State at
- Solid
- Melting Point
- 692.68
- Boiling Point
- 1180
- Density
- 7.14
- Molar Heat
- 25.47 J/(mol·K)
- Crystal Structure
- HEX
- Magnetic Ordering
- Diamagnetic
Mechanical
- Atomic Radius
- 142 pm
- Covalent Radius
- 122 pm
- Van der Waals
- 139 pm
- Metallic Radius
- 134 pm
- Mohs Hardness
- 2.5
- Brinell Hardness
- 412 MPa MPa
- Vickers Hardness
- 412 MPa MPa
- Bulk Modulus
- 70 GPa GPa
- Shear Modulus
- 43 GPa GPa
- Young's Modulus
- 108 GPa GPa
Thermal & Electrical
- Thermal Conductivity
- 116 W/(m K) W/(m·K)
- Electrical Conductivity
- 16.9 MS/m S/m
- Specific Heat
- 388 J/(kg K) J/(g·K)
- Heat of Vaporization
- 115 kJ/mol kJ/mol
- Heat of Fusion
- 7.07 kJ/mol kJ/mol
Abundance
- Universe
- 300 ppb
- Sun
- 2 ppm
- Meteorite
- 160 ppm
- Earth's Crust
- 70 ppm
- Ocean
- 4.90 ppb
- Human Body
- 33 ppm