Yttrium

Chaitra 26/06/2026 19:58:08 Updated 26/06/2026 19:58:08
Property Value
Atomic Number 39
Element Yttrium
Symbol Y
Atomic Mass 88.906 u
Number of Neutrons 50 (most common isotope, Yttrium-89)
Number of Protons 39
Number of Electrons 39
Period 5
Group 3
Phase Solid
Radioactive No
Natural Yes
Metal Yes
Nonmetal No
Metalloid No
Type Transition Metal
Atomic Radius 212 pm
Electronegativity 1.22 (Pauling scale)
First Ionization Energy 6.217 eV
Density 4.47 g/cm³
Melting Point 1526 °C
Boiling Point 3345 °C
Number of Isotopes 1 stable (Yttrium-89)
Discoverer Johan Gadolin
Year 1794
Specific Heat 0.298 J/g·K
Number of Shells 5
Number of Valence Electrons 3
Tags: Tutorials Chemistry tutorial step by step learn how to guide examples
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