Element Properties: 39-45 atomic number

by Izzy X. Product specialist

YTTRIUM, ZIRCONIUM, NIOBIUM, MOLYBDENUM, RUTHENIUM, RHODIUM

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Yttrium is an iron gray, lustrous, and darkens when exposed to light. It is used for red phosphorous in televisions.
Zirconium is a bluish-black amorphous powder, or a grayish-white lustrous metal.
Niobium is a steel gray lustrous metal that is malleable and ductile when in pure form.
Molybdenum is a dark gray or black powder with metallic luster, and is not found free in nature.
Ruthenium is a lustrous silver-gray, hard metal that does not react with acids and is not oxidized by air in the cold.

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Ruthenium looks similar to platinum but is harder, more brittle, and much rarer. Upon heating it combines readily with oxygen. It is useful in hardening platinum and palladium as an alloy. Ruthenium is found among the fission outputs of uranium and plutonium in nuclear reactors. Ruthenium has four allotropic forms. The metal doesnt tarnish in air at normal temperatures and resists attack by many strong acids.
Rhodium is a silvery white, soft, ductile, malleable metal. Its primary use is as an alloying agent for hardening platinum. It is not corroded or tarnished in the atmosphere at room temperature, and it is highly resisted to attack by acids.

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