Evaluate the group element (cu=64, n=14, o=16, fe=56, s=32, h=1) please show workings

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?

How can the number of core electrons be determined from the periodic table

Which example is a mechanical wave?     a.microwave    b.radio wave    c.water wave    d.ultraviolet light