Calculate the number’ of electrons which will together weigh one gram.

Calculate the number of atoms in FCC

A current of 0.2 A passes through a metal wire for 20 seconds. Calculate the number of electrons passing through the cross section of the wire during this time. (The charge on an electron = 1.6 times 10^(-19) C)

Calculate number of atoms in : FCC

Calculate number of atoms in : SSC

Calculate number of atoms in : BCC

Indicate the number of unpaired electrons in Si

Indicate the number of unpaired electrons in P

Indicate the number of unpaired electrons in Cr

Indicate the number of unpaired electrons in Fe

Indicate the number of unpaired electrons in Kr