20 Examples of Alkanes
The alkanes are a class of hydrocarbons in which a variable number of carbon atoms are linked together by single bonds, as a skeleton, and each carbon atom binds in turn to hydrogen atoms, …
Chemistry Study Notes
All types of Chemistry Study Notes For College And Universties
CHEMISTRY IN THE BEAUTY SALON
Did you know that Chemistry is also present in the beauty salon? Know what are the processes that make this possible! Going to a beauty salon is common for many people, …
Protactinium
Protactinium . Chemical element of the periodic table whose symbol is Pa and its atomic number is 91. Protactinium is a silvery metallic element that belongs to the group of actinides , which has an intense metallic luster. Protactinium is, from the …
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 …
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 …