Asked by Mai

the lattice energy for MgCl2 is -2326 kj/mol, which is much higher than that for NaCl which has a lattice energy of -786 kj/mol. Why is this so? Give at least two contributing factors.

Answers

Answered by DrBob222
ionic charge
ionic radius
Answered by Anonymous
Can you explain to me why?
Answered by DrBob222
Mg^2+ is twice the charge of Na^+ so the effect is 4x as much. (2^2 = 4)
The Mg^2+ ion is smaller than the Na^+ and the closer the ions are togther the tougher it is to pull them apart.
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