1.Based on the Hume-Rothery Rules, speculate on the possible driving forces behind the tendency for ordering in this system.
2.Speculate on whether you would expect a mixture of AuAg3 to show a greater or lesser tendency toward ordering in this system and explain your rationale.
3. Represent the defect chemistry for the introduction of Y2O3 as a solute in a ZrO2 host crystal using Kroger-Vink notation.