Science: Chemistry: Elements: Yttrium
Electronic, thermal, and steric data along with an isotope table.
Basic information, atomic structure, and isotopes.
The Columbia Encyclopedia: Yttrium
Overview for the general reader.
Atomic structure, chemical and physical properties, and table of nuclides.
It's Elemental: Yttrium
Basic physical and historical information.
History, sources, properties, uses, and isotopes.
Physical data, chemical properties, health and environmental effects.
Visual Elements: Yttrium
Image, animation, uses, physical information, and ionisation energies.
Extensive information on history, uses, occurrence, compounds, and properties of the element.
Properties of the element, including its history, applications, and characteristics.
Data tables and historic information.
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