Gold, gray
Gray gold
Au 86%, Fe 10%, Ag 4%,

% composition % 
Real, long lived, electronically neutral reagent chemical.

Fe and Ag composition may vary.

Gray gold
is defined with respect to the entities below:
The entities below are defined with respect to:
Gray gold
Alloy (generic)

chemical compound molecule metal molecular science reaction mechanism ionic material acid base geometry reactivity synthesis science knowledge chemistry Lewis