Do you need a printable periodic table of elements? Among the dozens of periodic tables on Science Notes, these are the ones readers tell us are their favorites. If you don’t see you personal favorite on the list, let us know which is it, and we’ll add it here. Most […]
Daily Archives: June 9, 2015
Scandium is the 21st element of the periodic table. These scandium facts contain chemical and physical data along with general information and history. Basic Scandium Facts Name: Scandium Atomic Number: 21 Element Symbol: Sc Group: 3 Period: 4 Block: d Element Family: Transition Metal Atomic Mass: 44.955 908(5) Electron Configuration: [Ar]3d14s2Full: 1s22s22p63s23p63d14s2 (full) Discovery: Lars Frederik Nilson in 1879 Mendeleev predicted the existence […]