Recognised as Chemical element
Vanadium
- V
- Z = 23
- transition metal
Vanadium (V) is element 23, a transition metal in period 4 and group 5. Its standard atomic weight is 50.942 Da. Weights follow IUPAC standard atomic weights, 2021 revision.
Identity
SymbolV
Standard atomic weight50.942atomic mass units (Da)
Mass in kilograms8.4591181 × 10^-26
Categorytransition metal
Group5
Period4
Blockd-block
Electrons in a neutral atom23
Neutrons in the most common isotope28≈
Electron configuration
Configuration1s² 2s² 2p⁶ 3s² 3p⁶ 3d³ 4s²ground state, subshells written in order of n
Noble gas shorthand[Ar] 3d³ 4s²
Electrons per shell2, 8, 11, 2K, L, M and outward
Electrons in the outer shell2
Unpaired electrons3Hund's rule; unpaired electrons make the free atom paramagnetic
Madelung ruleFollowedthe ground state is what the n + l filling order predicts
Quantities
Molar mass50.942 g/mol
Mass of one mole50.942 grams
Atoms in one gram1.1821563 × 10^22
Mass of one atom8.4591181 × 10^-23 g
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