Elements 80-100 Flashcards

Element Names and Symbols (Atomic Numbers 80-100)

• Tl: Thallium, a soft, malleable metal known for its toxicity and use in electronics and pharmaceuticals.
• Pb: Lead, a dense metal historically used in pipes, paints, and batteries, with significant health hazards.
• Bi: Bismuth, a brittle metal with low toxicity, used in cosmetics and as a replacement for lead in various applications.
• Po: Polonium, a highly radioactive element used in anti-static devices and research, discovered by Marie Curie.
• At: Astatine, the rarest naturally occurring halogen with limited applications due to its radioactivity.
• Rn: Radon, a colorless, odorless gas resulting from uranium decay, associated with health risks when trapped indoors.
• Fr: Francium, the least stable and rarest alkali metal, highly radioactive with a short half-life, often used in research.
• Ra: Radium, a radioactive element previously used in luminescent paints, poses significant health risks due to its radioactivity.
• Ac: Actinium, a silvery-white metal, one of the first non-primordial radioactive elements, used in radioactivity studies.
• Th: Thorium, a radioactive element that can be used as a fuel in nuclear reactors, known for its abundance and safety compared to uranium.
• Pa: Protactinium, a scarce radioactive element with applications in nuclear science, exhibiting a high density and complexity.
• U: Uranium, primarily used as fuel in nuclear reactors and in the production of nuclear weapons, known for its two isotopes, U-238 and U-235.
• Np: Neptunium, the first transuranic element, utilized in certain nuclear reactors and research applications, comes in multiple isotopes.
• Pu: Plutonium, a key element in nuclear weapons and reactors, particularly well-known for its use in the Manhattan Project.
• Am: Americium, a synthetic element used in smoke detectors and as a neutron source in certain applications.
• Cm: Curium, a transuranic element used in research and as a heat source in space probes due to its radioactivity.
• Bk: Berkelium, created synthetically, used in scientific research, particularly in nuclear and chemical studies.
• Cf: Californium, notable for its ability to produce neutrons, utilized in nuclear reactors and medical applications.
• Es: Einsteinium, a synthetic element primarily used in research, part of the actinide series and named after Albert Einstein.
• Fm: Fermium, created in minute quantities through nuclear reactions, used in research and study of heavy elements.