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39 Transition Metal
Y

Yttrium

RIS 0.020
Velocity +0.000
Rank#47
Co-citedNd

Yttrium (Y) is a transition metal with atomic number 39: a neutral yttrium atom has 39 protons and 39 electrons. Atomic mass 88.906 u, electron configuration [Kr] 4d1 5s2. Yttrium is a transition metal used in LEDs, lasers, and superconductors.

Physical properties
Atomic mass 88.906 u
Category Transition Metal
Block d-block
State Solid
Config [Kr] 4d1 5s2
Electronegativity 1.22
Density 4.469 g/cm³
Melting 1799.0 K
Boiling 3609.0 K
Ionization 600.0 kJ/mol
Oxidation +1, +2, +3
Discovered 1794 · Johan Gadolin
Yttrium's history

Research intensity over time

Research communities behind this literature

Groups of papers that cite each other densely, with the share of Yttrium's tracked research in each.