Columbia Encyclopedia
Search results
500 results found
Periodic Table of the Elements: Lutetium
(Encyclopedia)Periodic Table of the Elements: Lutetium ...lutetium
(Encyclopedia)lutetium, formerly lutecium both: lo͞otēˈshēəm [key], metallic chemical element; symbol Lu; atomic number 71; at. wt. 174.9668; m.p. about 1,663℃; b.p. about 3,395℃; sp. gr. 9.835 at 25℃; v...periodic law
(Encyclopedia)periodic law, statement of a periodic recurrence of chemical and physical properties of the elements when the elements are arranged in order of increasing atomic number. Such an arrangement in the for...periodic table
(Encyclopedia) CE5 periodic table, chart of the elements arranged according to the periodic law discovered by Dmitri I. Mendeleev and revised by Henry G. J. Moseley. In the periodic table the elements are arrange...lanthanide series
(Encyclopedia)lanthanide series, a series of metallic elements, included in the rare-earth metals, in Group 3 of the periodic table. Members of the series are often called lanthanides, although lanthanum (atomic nu...Periodic Table of the Elements: Niobium
(Encyclopedia)Periodic Table of the Elements: Niobium ...Periodic Table of the Elements: Nitrogen
(Encyclopedia)Periodic Table of the Elements: Nitrogen ...Periodic Table of the Elements: Nobelium
(Encyclopedia)Periodic Table of the Elements: Nobelium ...Periodic Table of the Elements: Oganesson
(Encyclopedia)Periodic Table of the Elements: Oganesson ...Periodic Table of the Elements: Osmium
(Encyclopedia)Periodic Table of the Elements: Osmium ...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
-
Places
+-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
