題組內容

1．For ionic solids, plot the three potential energy is

U_attatctive =-a.k.

,and the repulsive electrostatic potential energy is

U_repulsive =+

,and the total potential energy is

U_total=U_attatctiv =-a.k .

(A) Plot the all three potential energy U per ion pair versus separation distance r, and indicate the equilibrium distance r₀ and equilibrium potential energy U₀.