Answer:Chemical bonds form when the valence electrons of one atom interact with the valence electrons of another atom.J
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Since the enthalpy can be calculated from the heat of formation, the enthalpy is 136 kJ/mol.
<h3>What is enthalpy?</h3>
The enthalpy of a reaction is the heat that is lost or gained in that reaction. We know that the enthalpy can be calculated from the heat of formation.
Thus, we can obtain the enthalpy of the reaction as 4 * 34 kJ/mol = 136 kJ/mol.
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To measure weight of a item
There are 32 valence electrons for the Lewis structure for ClO4
