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Strontium (Sr) is a divalent metal, with face centered cubic structure, density 2.60 gcm-3 and molar mass 87.6?

Posted by Admin on October 29th, 2010

Strontium (Sr) is a divalent metal, with face centered cubic structure,
density 2.60 gcm-3 and molar mass 87.6 g.
a Calculate the atomic density, the number of atoms per unit
volume for Sr
b Determine the lateral dimensions of the conventional fcc
unitary cell.
c Using the free electron model at T=0, calculate the Fermi
energy Ef for Sr.
d The electrical resistivity of Sr at 77K is ρ = 7.0×10-8 Ωm.
Calculate, at that temperature:
1. The average time between electron collisions
2. The electron mean free path

Posted in SLLRP Software Tags: atomic density, cell c, cubic structure, ef, electrical resistivity, electron collisions, fcc, fermi energy, free electron model, lateral dimensions, mean free path, molar mass, number of atoms, strontium, unit volume

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