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Anonymous
Both atoms have separate electron configurations.
The electron configuration for Na is: 1s^2 2s^2 2p^6 3s^1
The electron configuration for Cl is: 1s^2 2s^2 2p^6 3s^2 3p^5
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The lattice energy of sodium chloride is 789 kJ/mol.
The lattice enthalpy of sodium chloride is 789 kJ/mol.
-411.2 kj/mol
-xhunderx
This value is 789 kJ/mol.
NaCl has 28 electrons.
786Kj