Question

What r they??????????????????

Answer 1

Answer:

Ruthenium.

Rhodium.

Palladium.

Silver.

Osmium.

Iridium.

Platinum.

Gold.

Explanation: Noble metal, any of several metallic chemical elements that have outstanding resistance to oxidation, even at high temperatures; the grouping is not strictly defined but usually is considered to include rhenium, ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, and gold.