Choose the INCORRECT statement.
◦ Aqua regia is a combination of HCl and HNO3.
◦ Malleable means that a metal can be beaten into a thin sheet.
◦ One of the most important property of Cu, Ag, and Au is resistance to corrosion.
◦ Because the ions of Cu, Ag, and Au are easy to reduce means that the metals are easy to oxidize.
◦ The coinage metals are Cu, Ag, and Au.