Gallium arsenide gaas has the zinc blende structure the, Ask an Expert

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Gallium arsenide (GaAs) has the zinc blende structure. The gallium atoms are in FCC packing and the arsenic atoms occupy half the tetrahedral sites. Calculate the density of Gallium arsenide (GaAs) using the following data.

Covalent Radius Ga 1.26 Ångstroms As 1.19 Ångstroms

Atomic Mass Ga:69.7 g/mole As: 74.9 g/mole

Avogadro's number (NAv) is 6.02 x 10^23 atoms per mole.

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