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NaCl(s) is more stable than the separate Na and Cl atoms because its lattice energy is...

NaCl(s) is more stable than the separate Na and Cl atoms because its lattice energy is large, compensating for the energy needed to form the ions from their neutral atoms. true or false.

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Answer #1

True

Lattice energy (step 5) is more than all the steps 1,2,3,4 combined together. Energy is released in formation of NaCl(s).

Adding all the steps has negative value for enthalpy which means energy of Na and Cl is lowered in formation of NaCl(s).

So NaCl(s) is more stable.

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