Scandium is a chemical element with symbol Sc and atomic number 21. ... Sc. Atomic Mass and Uncertainty [u]. 35.029093 ± 0.000429 [Estimated]. Half Life and ...

Scandium is a monoisotopic element and its atomic weight is determined solely by its isotope 45Sc. The Commission last revised the standard atomic weight of ...

Atomic number, 21, Relative atomic mass, 44.956 ; State at 20°C, Solid, Key isotopes · Sc ; Electron configuration, [Ar] 3d14s · CAS number, 7440-20-2.

Scandium ; silvery white · 44.955907±0.000004 · 44.956±0.001 (abridged).

Atomic Mass, 44.95591 atomic mass units ; Number of Protons, 21 ; Number of Neutrons, 24 ; Number of Electrons, 21 ; Melting Point, 1539.0° C.

Atomic Mass of First 30 Elements ; 21, Scandium, 44.956 ; 22, Titanium, 47.867 ; 23, Vanadium, 50.942 ; 24, Chromium, 51.996.

Isotope · Relative Atomic Mass · Isotopic · Composition · Standard Atomic Weight · Notes. 21, Sc, 45, 44.955 908 28(77), 1, 44.955 908(5) ...

Scandium, 44.955908, Promethium, 145, Mendelevium, 258. Titanium, 47.867, Samarium, 150.36, Nobelium, 259. Vanadium, 50.9415, Europium, 151.964, Lawrencium, 262.

scandium is a mineral. An element of the rare earth family of metals. It has the atomic symbol Sc, atomic number 21, and atomic weight 45.

Atomic Mass of Elements From 1 to 30 ; 21. Scandium. 44.956 ; 22. Titanium. 47.867 ; 23. Vanadium. 50.942 ; 24. Chromium. 51.996.