become an editor
the entire directory
only in Elements/Niobium
Open Directory - Science: Chemistry: Elements: Niobium
Science: Chemistry: Elements: Transition Metals
Science: Technology: Metallurgy
- Basic information, atomic structure, and isotopes.
- Atomic structure, chemical and physical properties, and table of nuclides.
It's Elemental: Niobium
- Basic physical and historical information.
- Physical data, chemical properties, and health effects.
USGS Minerals Information: Niobium
- Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
- Extensive information on history, uses, occurrence, compounds, and properties of the element.
- Properties of the element, including its history, applications, and characteristics.
" search on:
to edit this category.
Copyright © 1998-2014 AOL Inc.
Visit our sister sites
Last update: November 3, 2012 at 11:05:09 UTC -