The cohesive energy of NaCl is - 7.90 eV, with a Coulomb contribution of -8.85 eV, a repulsive contribution of 1.02 eV, a van der Waals contribution of - 0.125 eV, and a term due to the zero point ...
The reaction releases a lot of heat as the ionic compound sodium chloride is formed. A sodium and chlorine atom ... The +2 calcium ion and the two -1 chloride ions attract each other and form an ionic ...
Elements bond in fixed ratios and so can be represented by a chemical formula. For example, sodium chloride has the same number of sodium ions and chloride ions, so its formula is NaCl ...
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