Answer:
E) Zn
Explanation:
The inorganic salts are ionic compounds formed by a metal and a nonmetal element. They are solid at ambient conditions, may conduce electricity when are in an aqueous or liquid phase, and they can have color or not.
The color of the salts its a characteristic of the metal element. During the ionic bond, the electron of the metal will be excited to exit the atom, thus, energy in the form of light will be displaced. Is this way the fireworks are done, for example.
Cu has a blue light, Mn has white light, Fe has brown or yellow lights, Ni is blue, and Zn is colorless.
