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Strontium
Electron Configuration 2,8,18,8,2
Electron Configuration [Kr] 5s2
Electronegativity 0.95
Enthalpy of Fusion 9.16 kJ mol-1
Enthalpy of Vaporisation 154.4 kJ mol-1
Heat Capacity 26.4 J mol-1 K-1
Thermal Conductivity 35.4 W m-1 K-1
Thermal Expansion 22.5 μm m-1 K-1
Magnetic ordering Paramagnetic
Electrical resistivity 132 Ω m
Shear modulus GPa
Poisson ratio 0.28
Mohs hardness 1.5
Atomic Radii
Atomic Radius 200 pm
Bohr Radius 219 pm
Covalent Radius 192 pm
Van der Waals 0 pm
Oxidation States
Main Sr+2
Other
Ionisation Energies (kJ mol-1) show graph
M - M+ 549.5
M+ - M2+ 1064.2
M2+ - M3+ 4210
M3+ - M4+ 5500
M4+ - M5+ 6910
M5+ - M6+ 8760
M6+ - M7+ 10200
M7+ - M8+ 11800
M8+ - M9+ 15600
M9+ - M10+ 17100