Rhodium is a chemical element; it has symbol Rh and atomic number 45. It is a very rare, silvery-white, hard, corrosion-resistant transition metal. It is a noble metal and a member of the platinum group. It …

Rhodium, chemical element, one of the platinum metals of Groups 8–10 (VIIIb), Periods 5 and 6, of the periodic table, predominantly used as an alloying agent to harden platinum. Rhodium is a precious, …

Sep 29, 2023 · Discovered in the early 1800s from a chunk of smuggled platinum ore, rhodium is the most valuable precious metal on the planet today, used mainly for keeping car emissions in check.

Rhodium is the rarest of all non-radioactive metals. It occurs uncombined in nature, along with other platinum metals, in river sands in North and South America.

Aug 17, 2023 · Rhodium (Rh) is a silver-white, rare precious metal in the platinum metal group. It is rarer than gold, silver, and platinum, which leads to a high price point. Rhodium is often found as a …

3 days ago · Discover why rhodium is the world’s most expensive metal. Learn about its rarity, unique properties, industrial uses, price history, and how it compares to gold and platinum.

Jun 23, 2024 · Rhodium is a rare, silvery-white metallic element that belongs to the platinum group metals (PGMs) and also the noble metals. Known for its exceptional reflective properties and high …

Jan 8, 2026 · Rhodium is a silvery-white element classified as a platinum group metal, known for being one of the rarest and most valuable materials on Earth. Its scarcity stems from its low concentration …

Mar 11, 2025 · Rhodium is one of the rarest and most valuable metals in the world, known for its exceptional resistance to corrosion and high reflectivity. It plays a critical role in various industries, …

Jan 11, 2026 · Rhodium, the world's most expensive metal, is found in Colombia, although in small quantities, mainly in the department of Choco.