Question

5. Unit of Madelung constant is :​

Answer 1

Answer:

7 is the Coulomb energy for a single pair of sodium and chloride ions, while the 2ln2 factor is the Madelung constant (M≈1.38) per molecule. The Madelung constant is named after Erwin Medelung and is a geometrical factor that depends on the arrangement of ions in the solid

Explanation:

hope it helps dear......

Answer 2

Answer:

4πε0 = 1.112×10−10 C2/(J⋅m);

Explanation:ε0 is the permittivity of free space.