Mr K. Enviro Sci Ch 16 - Minerals

The current challenge with obtaining mineral s is ....

• obtain the minerals that an ever-increasing world population demands at minimal cost to the environment.

• obtain the minerals that will increase in value in the future at minimal cost to the environment.

• obtain the minerals that an ever-increasing world population demands at a reasonable cost to the environment.

• obtain the minerals that an ever-increasing world population will be able to dispose of at minimal cost to the environment.

A naturally occurring, usually inorganic solid that has a characteristic chemical composition is called ...

• a mineral

• a crystal

• an ore

• an element

Atoms of two or more elements chemically bonded together are called ​​ (a)  

• compounds
• molecules
• ores
• minerals

Americans individually consume about 5,000 pounds of which mineral in the chart?

• aluminum

• iron ore

• lead

• phosphate

Americans individually consume about 1, 000 pounds of which mineral in the chart?

• aluminum

• iron ore

• lead

• copper

The mineral quartz is made up of ​ (a)   , which consists of one silicon atom and two oxygen atoms.

• silica
• scion
• siccaro
• selenium

A mineral that contains one or more elements of economic value is referred to as ...

• ore mineral

• gangue mineral

• compounds

• native minerals

Minerals with no commercial value, that are extracted with other minerals before being separated are called ...

• ore mineral

• gangue mineral

• compounds

• native minerals

For mining to be profitable, ...

• the price of the final product must be greater than the costs of extraction and refining

• the price of the final product must be less than the costs of extraction and refining

• the price of the initial product must be greater than the costs of extraction and refining

• the price of the initial product must be less than the costs of extraction and refining

Metals have all of the following characteristics except ...

• can conduct electricity

• have shiny surfaces

• are opaque

• good insulators