Get facts about the element technetium, which is atomic number 43 and element symbol Tc. See the uses of isotope technetium-99.| Science Notes and Projects
Flerovium is the element with atomic number 114 and symbol Fl. Get interesting flerovium facts, including its discovery and properties.| Science Notes and Projects
Get facts about the actinides on the periodic table (actinide series or actinoids), including a list of elements and their properties.| Science Notes and Projects
Californium facts: Learn about this rare radioactive element, its discovery, properties, uses, isotopes, and place on the periodic table.| Science Notes and Projects
Get uranium facts. Learn about the properties, uses, biological effects, and sources of element atomic number 92.| Science Notes and Projects
Learn about half-life in physics, chemistry, and biology. Get the definition, formulas, and worked example problems.| Science Notes and Projects
Get the definition of an isotope. See examples of isotopes and learn the difference between an isotope and a nuclide of an element.| Science Notes and Projects