If a face centered cubic unit cell has a volume of 1.477 x 10 to the eighth power pm cubed and the ions at the corners touch the ions on the face, what must the ions radius
a 125 pm
b 4243 pm
c 186 pm
388 pm
the distribution of velocities for a mole of nitrogen molecules is characterized by the ____ distribution
a Fermi-Dirac
b binary
c bimodal
d. Boltzmann
Electrical and thermal conductivity in metals
a is explained by matrix isolation techniques
b is a function of the level of contamination by excess electrons
c is explained by band theory
d. is explained by a dipolar coupling model