Chemistry Of Precious Metals ✮

electrons move at speeds approaching a significant fraction of the speed of light. This causes the orbitals to contract and become more stable. Expansion: Simultaneously, the

The behavior of precious metals, particularly gold and platinum, is heavily influenced by . As the atomic number ( ) increases, the inner Chemistry of Precious Metals

Gold's characteristic yellow color is a result of a relativistic shift that lowers the energy required for an electron to jump from the orbital, allowing it to absorb blue light. 2. Chemical Inertness and "Nobility" electrons move at speeds approaching a significant fraction

Notable for reaching very high oxidation states. Osmium tetroxide ( OsO4cap O s cap O sub 4 ) features Os in the +8positive 8 state and is a powerful (though toxic) oxidizing agent. 5. Emerging Applications: Photochemistry and Medicine Cancer Treatment: Cisplatin ( As the atomic number ( ) increases, the

ions act as complexing agents to stabilize the metal in solution as 3. Coordination Chemistry and Catalysis

orbitals are better screened, causing them to expand and become more chemically available.

Au3++3e−→Aucap A u raised to the 3 plus power plus 3 e raised to the negative power right arrow cap A u +1.52Vpositive 1.52 cap V