Einsteinium was discovered at Lawrence Berkeley National Laboratory in 1952. Einsteinium is a synthetic element with symbol Es and atomic number 99. It is a soft,...
Californium is a chemical element with symbol Cf and atomic number 98. The element was first made in 1950 at the University of California Radiation Laboratory...
Berkelium was discovered by Lawrence Berkeley National Laboratory in 1949. Berkelium is a chemical element with symbol Bk and atomic number 97. It is a soft,...
Curium was discovered by Glenn T. Seaborg, Ralph A. James & Albert Ghiorso in 1944. Curium is a chemical element with symbol Cm and atomic number...
Americium was discovered by Glenn T. Seaborg, Ralph A. James, Leon O. Morgan & Albert Ghiorso in 1944. Americium is a chemical element with symbol Am...
Plutonium was discovered by Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy & Edwin McMillan in 1940. Plutonium is a chemical element with symbol Pu and...
Neptunium was discovered by Edwin McMillan and Philip H. Abelson in 1940. Neptunium is a chemical element with symbol Np and atomic number 93. It is...
Uranium was discovered by Martin Heinrich Klaproth in 1789. Uranium is a chemical element with symbol U and atomic number 92. It is a silvery-white metal....
Protactinium was discovered and first isolated by William Crookes in 1900. Protactinium is a chemical element with symbol Pa and atomic number 91. It is a...
Thorium was discovered by Jöns Jakob Berzelius in 1829. Thorium is a chemical element with symbol Th and atomic number 90. Below is a list of...