Learn about the noble gas configuration of atoms. Get a list of electron configurations for all 118 elements.| Science Notes and Projects
Get the atomic number definition. See examples of the atomic number and learn how it differs from mass number.| Science Notes and Projects
Get the alphabetical list of element symbols for all the chemical elements on the periodic table and a free PDF list to download and print.| Science Notes and Projects
Learn what noble gases are, which elements are included in the group, and what properties distinguish a noble gas from other element of the periodic table.| Science Notes and Projects
Get oganesson facts. Learn about the history, properties, uses, and sources of element 118 or element symbol Og.| Science Notes and Projects
Learn what an electron is. Get its definition, learn where to find electrons, and understand the properties of this type of matter.| Science Notes and Projects