Question

The density of potassium, which has the BCC structure, is 0.855 g/cm^3. The atomic weight of...

The density of potassium, which has the BCC structure, is 0.855 g/cm^3. The atomic weight of potassium is 39.09 g/mol. Calculate the lattice parameter and the atomic radius of potassium

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Answer #1

a) Lattice parameter:

(2 atoms/cell)(39.09 g/mol) 0.855 g/cm3- (q)46.02 × 1023 atoms/mol) доз = 1.5189 × 10-22 cm3 or a.-5.3355 × 10-8 cm

b) atomic radius:

(516s 355 10em) - 2.3103 x 10- 2.3103 x 10-8 cm 4

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