Gold is a noble metal (i.e. it is unreactive), it is in a very pure state, completely odourless and tasteless. A metal can get flavour only when it is reactive.
The noble metals are metals that are resistant to corrosion and oxidation in moist air in chemistry.
The short list of chemically noble metals includes ruthenium, rhodium, palladium, osmium, iridium, platinum, silver and gold.
More inclusive lists include one or more of mercury, rhenium and copper as noble metals.
Gold is a chemical element with symbol Au, atomic number 79, making it unique of the higher atomic number elements that natural occurring.
In its purest form, dense, soft, malleable, ductile metal, it is bright and slightly reddish yellow. Chemically, gold is a changing metal and a group 11 element.