Atomic Number
50
Tin is a chemical element with symbol Sn and atomic number 50. It is a post-transition metal in group 14 of the periodic table. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide.
50
118.71 u
post transition
solid
7.365 g/cm³
2, 8, 18, 18, 4
Protons: 50 • Electrons: 50 • Neutrons: Varies by isotope
Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p²
Unknown