Help please not to hard

•a list of five compounds the element can form ◦identify whether each compound is only naturally occurring, only human–made, or both naturally occurring and human–made
my element is gold and I know 3 compouds gold can form gold chloride (AuCl), chlorauric acid (HAuCl4), and gold trichloride

Question

Help please not to hard

•a list of five compounds the element can form ◦identify whether each compound is only naturally occurring, only human–made, or both naturally occurring and human–made
my element is gold and I know 3 compouds gold can form gold chloride (AuCl), chlorauric acid (HAuCl4), and gold trichloride

anonymous · Answer

@AravindG @AccessDenied @Compassionate

aaronq · Answer

gold loves sulfur, so $Ag_2S$ is another. Look here for the rest: http://en.wikipedia.org/wiki/Category:Gold_compounds