Extracting Metals Flashcards
Metals are Found in the Earth’s Crust. Most Metals are Chemically Combined with Other ____________ Elements, Meaning that the Metal must be Chemically _______________ From its Compounds Before it can be Used.
Chemical…Separated…
When There is Enough of a Metal or Metal Compound in a Rock to Make it Worth Extracting the Metal, the Rock is Called a Metal ______.
Ore.
What does a Metal Depend On if it is Worth Extracting?
- How Easy it is to Extract From its Ore.
- How Much Metal the Ore Contains.
- The Changing Demands for a Particular Metal.
A Few Metals are So Unreactive that they’re Found in the Earth as the _________ Themselves. They Exist in their Native ________.
Metals…State…
The Reactivity Series Lists Metals in Order of their _______________.
Reactivity.
The Removal of Oxygen From a Compound is Called Chemical ____________.
Reduction.
Metals that are More Reactive than Carbon are Not Extracted From their Ores by ______________ with Carbon. Instead, they’re Extracted by _____________ of the Molten Metal Compound.
Reduction…Electrolysis…
