Protactinium is a chemical element with the symbol Pa and atomic number 91. It is a dense, silvery-gray actinide metal that readily reacts with oxygen, water vapor, and inorganic acids. It forms… Read More »Protactinium Element Properties
Neptunium is a chemical element with the symbol Np and atomic number 93. It is a radioactive actinide metal, neptunium is the first transuranic element. Its position in the periodic table just after uranium, named after the planet Uranus, led to… Read More »Neptunium Chemical Element Properties
Americium is a human-made actinide element with the symbol Am and atomic number 95. It is a transuranic member of the actinide series, in the periodic table located under the lanthanide… Read More »Americium Chemical Element Properties
Californium is a radioactive chemical element with the symbol Cf and atomic number 98. The element was first synthesized in 1950 at the Lawrence Berkeley National Laboratory (then the University of California Radiation Laboratory), by bombarding curium with alpha… Read More »Californium Chemical Properties
Berkelium is a transuranic radioactive chemical element with the symbol Bk and atomic number 97. Not occurring in nature, It was discovered in December 1949 by American chemists Stanley G. Thompson, Albert Ghiorso, and Glenn T.… Read More »Berkelium Element Properties
Einsteinium is a synthetic element with the symbol Es and atomic number 99. As a member of the actinide series, it is the seventh transuranic element. It was discovered as a component of… Read More »Einsteinium Element Properties
Fermium is a synthetic element with the symbol Fm and atomic number 100. It is a radioactive element and a member of the actinide group of the periodic table of elements. So… Read More »Fermium Chamical Element Properties
Soil pollution as part of Land degradation is caused by the presence of xenobiotics chemicals or other alteration in the natural soil environment. It is typically… Read More »What is Soil Pollution? Causes
Samarium is a chemical element with atomic number 62 and represented by the symbol Sm in the Periodic Table. It is a moderately hard silvery… Read More »Samarium Element Properties
Promethium is a chemical element with the symbol Pm and atomic number 61. All of its isotopes are radioactive; it is one of only two such elements that are followed… Read More »What is Promethium?