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...
Actinium was discovered and first isolated by Friedrich Oskar Giesel in 1902. Actinium is a chemical element with symbol Ac and atomic number 89. It is...
Radium was discovered by Pierre Curie and Marie Curie in 1898. Radium is a chemical element with symbol Ra and atomic number 88. It is a...
Francium was discovered and first isolated by Marguerite Perey in 1939. Francium is a chemical element with symbol Fr and atomic number 87. Francium is a...
Radon was discovered by Friedrich Ernst Dorn in 1898. Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive, colorless,...
Astatine was discovered by Dale R. Corson, Kenneth Ross MacKenzie and Emilio Segrè in 1940. Astatine is a chemical element with symbol At and atomic number...
Polonium is a chemical element with symbol Po and atomic number 84. Polonium was discovered by Marie Curie and Pierre Curie in 1898. It is a...
Bismuth was discovered by Claude François Geoffroy in 1753. Bismuth is a chemical element with symbol Bi and atomic number 83. It is a high-density, silvery...
Gold was discovered in the Middle East before 6000 BCE. Gold is a chemical element with symbol Au and atomic number 79. In its purest form,...
Lead is a chemical element with symbol Pb and atomic number 82. It is a soft, malleable and heavy post-transition metal. Below is a list of...
Thallium was Discovered by William Crookes in 1861. Thallium is a chemical element with symbol Tl and atomic number 81. This soft gray post-transition metal is...
Mercury is a chemical element with symbol Hg and atomic number 80. It is a heavy & silvery element. Below are the 34 Creative Mercury slogans...
Platinum was discovered and first isolated by Antonio de Ulloa in 1735. Platinum is a chemical element with symbol Pt and atomic number 78. It is...
Iridium was discovered and first isolated by Smithson Tennant in 1803. Iridium is a chemical element with symbol Ir and atomic number 77. It is very...
Osmium was discovered and first isolated by Smithson Tennant in 1803. Osmium is a chemical element with symbol Os and atomic number 76. It is a...