The standard entropy, S° for an element in its standard state is always zero.

Name: The standard entropy, S° for an element in its standard state is always zero.
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Quizplus · Accepted Answer

The standard entropy, S°, for an element in its standard state is not zero because entropy is a measure of disorder, and even elements in their standard state have some degree of disorder. Only the standard enthalpy of formation for an element in its standard state is zero.

The Standard Entropy, S° for an Element in Its Standard