<prompt> The fifth generation amalgam included?Silver, copper, tinSilver, copper, zinc, tin, indiumSilver, copper, tin, indiumSilver, copper, tin, palladium  <response>: The alloying of silver, copper, tin and indium together creating a quaternary alloy in which almost none of the tin is available to react with the mercury when mixed with the powder, was the 5th generation amalgam to be developed.Reference: Marzouk Operative dentistry, pg-106 