The 3rd diagram is a mixture because it has 2 substances
The correct answer is:
d) No, it is not feasible. three metallic ions cannot provide the exact number of electrons that one sulfur needs for the ionic bond.
Because Sulfur is divalent so it need to gain 2 electrons from metal so if we have 3 metals they can't provide only two electrons only.
Overharvesting that would be your answer!
Answer:
A double displacement reaction or double replacement reaction.
Explanation: