Strontium By Crawford, Adair (1790) | |||||||
| NO ATOM 38 |
NAMA Strontium |
SIMBOL Sr |
BOBOT ATOM 87.62 |
BENTUK Solid |
TIPE Alkaline Earth Metal |
GRUP 2 |
GRUP LAMA IIA |
| PERIOD 5 |
ELEKTRON CONFIG [Kr] 5s2 |
GROUND LEVEL 1S0 |
ENERGI IONISASI 5.6949 |
TITIK LELEH 777 |
TITIK DIDIH 1382 |
STRUKTUR KRISTAL FCC |
Atomic Radius (display) (m) 215 |
| Metallic Radius (pm) 215 |
Covalent radius (pm) 192 |
Atomic Radius (calculated) (pm) 219 |
Van der Waals Radius, (pm) 249 |
Electro-negativity (Pauling) 0.95 |
Density (g/cm3) 2.63 |
Electron Affinity (kJ/mol) 5.03 |
Thermal Conductivity, W/(m K) 35 |
| Electrical Resistivity (Ωm) 0.00000013 |
CAS NO CAS7440-24-6 |
OXIDASI STATE +2 |
PENEMU Crawford, Adair |
TAHUN 1790 |
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