Actinium is a rare, radioactive chemical element from the actinide series of the periodic table. It is a silver-colored metal that is highly reactive and short-lived. Actinium was discovered in…
Lanthanum is a chemical element with the symbol La and atomic number 57. It is a rare earth metal that is classified as a “lanthanide” and is found in the…
Technetium (Tc) is an artificial element that is not found in nature. It is a member of the transition metals group and holds the atomic number 43. Technetium was the…
Francium, element 87 in the periodic table, is a rare and highly radioactive element that was only discovered at the start of the 20th century. It is a highly unstable…
Xenon is a chemical element with symbol Xe and atomic number of 54. It is a colorless, odorless, nontoxic, and tasteless noble gas and is found in the atmosphere in…
Zirconium is a chemical element with the symbol Zr and atomic number 40. It is a silvery-gray transition metal that is present in many minerals, including zircon, baddeleyite, and wernerite,…
Rhodium is an extremely rare precious metal with a silvery-white hue. It is a member of the platinum group of metals and is one of the least reactive elements known…
Scandium is a rare chemical element found on Earth and used for various industrial and commercial purposes. It is a soft, silver-white metal that has many interesting features, including its…
As one of the rarest elements in the periodic table, Astatine is a unique and interesting chemical. It is a radioactive element and can be found in both natural and…
Praseodymium is a rare earth element (REE), which are important mineral used in a variety of industries. With its distinctive pale green color, praseodymium is one of the most abundant…