Chemical Elements & Metals
20 entries in the Chemical Elements & Metals compendium.
PalladiumRare platinum-group metal used in catalytic converters and jewelry.PhosphorusThe element that glows, burns, and sustains life.PlatinumThe most ductile pure metal, a noble and precious element with critical industrial and medical uses.PlutoniumPlutonium is the element with the highest atomic number known to occur in nature.PoloniumHighly radioactive element discovered by the Curies.PotassiumSoft alkali metal essential to life and widely used in fertilizers.PraseodymiumThe leek-green twin among rare-earth metals.PromethiumA rare, radioactive lanthanide with no stable isotopes.ProtactiniumRare radioactive element used in ocean science and nuclear research.RadiumRadioactive alkaline earth metal discovered by the Curies.RadonRadioactive noble gas, colorless and odorless, second leading cause of lung cancer.RheniumRhenium is a rare, high-melting transition metal used in superalloys and catalysts.RhodiumRare noble metal used in catalytic converters and jewelry plating.RubidiumThe deep red alkali metal discovered by flame spectroscopy.RutheniumRuthenium is the chemical element with the symbol Ru and atomic number 44. This rare transition metal is part…SamariumA lanthanide metal used in magnets, medicine, and nuclear reactors.ScandiumScandium: a silvery-white d-block element, usually classified as a rare-earth, used primarily in aluminium…SeleniumEssential trace element and semiconductor discovered in 1817.SiliconThe semiconductor element that shapes the modern world.SodiumSoft, reactive alkali metal essential for life.
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