Atomic Data of Barium (Element 56) Valence electrons 3 [5] Ion charge +2 Quantum numbers [7] –n 6 –ℓ 0 –mℓ 0 –ms -1/2 Electron configuration (noble gas configuration) [Xe] 6s2 [1] Atomic structure [3] –Number of Electrons 56 –Number of Neutrons 82 –Number of Pr...
Symbol Ba; atomic number 56; atomic weight 137.327; a Group IIA (Group 2) alkaline earth element; electronic configuration [Xe]s2; valence state +2; ionic radius of Ba2+ in crystal (corresponding to coordination number 8) 1.42 Å; first ionization potential 10.00eV; stable isotopes and the...
certainalloys. The alloy withnickelreadily emitselectronswhen heated and is used for this reason inelectrontubes and inspark plugelectrodes. The detection of barium (atomic number56) afteruranium(atomic number 92) had been bombarded byneutronswas the clue that led to the recognition ofnuclear ...