Tin ; silvery-white, β (beta); gray, α (alpha) · 118.710±0.007 · 118.71±0.01 (abridged).

Classified as a post-transition metal, Tin is a solid at room temperature. 50. Sn. Tin. Atomic Mass, 118.71 u. Electron Configuration ...

In 1983 the Commission changed the basis for the standard atomic weight of tin to mass spectrometry and the value to A r (Sn) = 118.710(7).

Atomic Mass, 118.71 atomic mass units ; Number of Protons, 50 ; Number of Neutrons, 69 ; Number of Electrons, 50 ; Melting Point, 231.9° C.

Atomic number, 50, Relative atomic mass, 118.710. State at 20°C, Solid, Key isotopes, 120Sn. Electron configuration, [Kr] 4d105s25p2, CAS number, 7440-31-5.

Atomic Weights and Isotopic Compositions for Tin. Isotope · Relative Atomic Mass · Isotopic · Composition · Standard Atomic Weight · Notes. 50, Sn, 112, 111.904 ...

Tin ( 50 Sn) is the element with the greatest number of stable isotopes (ten; three of them are potentially radioactive but have not been observed to decay).