Chemical element
Scandium
- Sc
- Z = 21
- transition metal
Scandium (Sc) is element 21, a transition metal in period 4 and group 3. Its standard atomic weight is 44.956 Da. Weights follow IUPAC standard atomic weights, 2021 revision.
Identity
SymbolSc
Standard atomic weight44.956atomic mass units (Da)
Mass in kilograms7.4651194 × 10^-26
Categorytransition metal
Group3
Period4
Blockd-block
Electrons in a neutral atom21
Neutrons in the most common isotope24≈
Quantities
Molar mass44.956 g/mol
Mass of one mole44.956 grams
Atoms in one gram1.3395633 × 10^22
Mass of one atom7.4651194 × 10^-23 g
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