Occurrence and Distribution of Metals
What is the portion of our environment that constitutes the solid earth beneath our feet called?
Lithosphere
What is the most important process in hydrometallurgy called?
Leaching
What procedure does Electrometallurgy use to refine ore?
Electrolysis
What type of temperature is utilized in pyrometallurgy?
High Temperatures
What block on the perodic table do transition metals occupy?
D Block
What are deposits that contain metals in economically exploitable quantities called?
Ores
What does the word hyrdo mean in hydrometallurgy mean?
Water
In the commercial preperation of sodium, what is the specially designed cell that molten NaCl is electrolized in called?
Downs Cell
What is the heating of an ore to bring about its decomposition and elimination of volatile product?
Calcination
What is the filling of 4f orbitals through the lanthanide elements that causes a steady increase in the effective nuclear charge, producing a contraction in size called?
The Lanthanide Contraction.
Besides gold and platinum-group metals, most metallic elements are found in nature in solid inorganic compounds. What are these called?
Minerals
What kind of reactions does Hydrometallurgy use to extract metal from ore?
Aqueous
What is the electrolytic process commercially used to produce aluminum called?
Hall-Heroult process
What is the thermal treatment that causes chemical reactions between the ore and the furnace atmosphere called?
Roasting
What is the stronger version of magnetism that iron exhibits called?
Ferromagnetism
What is the science and technology of extracting metals from their natural sources and preparing them for practical use called?
Metallurgy
What is the process used to purify bauxite called?
The Bayer Process
What procedure must you use to purify copper?
What is the process in which the materials formed in the course of chemical reactions separate into two or more layers?
Smelting
Antiferromagnetism
The concentration stage relies on differences in the properties of the mineral and the undesired material that accompanies it. What is this material called?
Gangue
What is the most useful ore of aluminum?
Bauxite
Charles M. Hall
What is the material that consists mainly of molten silicate minerals, with aluminates, phosphates, and other ionic compounds as constituents called?
Slag
Transition metals often exhibit more than one stable _______ state. What is the state?
Oxidation