Praseodymium
Praseodymium . Praseodymium is a chemical element in the periodic table whose symbol is Pr and its atomic number is 59. Summary [ hide ] 1 Features 1 History 2 Applications 3 Effects of Praseodymium on health 4 Environmental …
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Polonium
Polonium. A highly radioactive chemical element that is a member of the chalcogen family. Its atomic symbol is Po , atomic number 84 and its use is very dangerous. The damage occurs by absorption of …
Plutonium
Plutonium . Chemical element, symbol (Pu), atomic number 94. It is a silvery, reactive metal of the actinide series. It is one of the transuranic elements of the group of actinides of the …
Palladium
Palladium . Chemical element, symbol Pd, atomic number 46 and atomic weight 106.4. It is a white and very ductile metal similar to platinum, which is followed in abundance and importance, discovered by William …
Curium
Curium. Synthetic element of the periodic table with symbol Cm and atomic number is 96. bombarding produces plutonium with alpha particles ( ions of helium ). Summary [ hide ] 1 History 2 Properties 3 Preparation 4 Abundance and natural state 5 Uses 6 Health effects 7 Environmental effects 8 External links 9 Sources History Curium was …
Chrysotile
Chrysotile . or white asbestos is a mineral from the group of Silicates, subgroup Philosilicates and within them is a serpentine-kaolinite. It is a magnesium hydroxy-silicate, with partial substitutions of magnesium for iron. All …
Copernicus
Copernicus. Called ununbium as a temporary name, it is a chemical element of the periodic table whose symbol is Cn (formerly Uub) and its atomic number 112. Physical space is not yet known, …