The figure below illustrates measurements of the specific heat (plotted as C/T versus T₂) for a crystalline element. Use what you know about the origins and temperature dependence of the specific heat capacity to determine whether the element is Na or Si. Discuss both possibilities.Experimental data of the specific heat of an unknown element.

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x10-4 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 - 000000 3.0 0.0 0.5 1.0 1.5 2.0 (Temperature (K) Specific Heat / Temperature (cal/g*K?),