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TITANium x CSUF Portal-Home document-Google C × Master It e https://moodle-2017-2018.fullerton.edu/mod/quiz/attempt.php?attempt 300154 m 2017-2018 Which best describes the difference between sulfides and sulfates? Select one: a. Sulfates form only in igneous rock; sulfides form in all types of rock b. Sulfates include nitrogen and sulfides do not c. Sulfides are metals bonded with sulfur, sulfates are metal bonded with a sulfate anion d. Sulfates are metals bonded with inorganic carbon; sulfides are metals bonded with water molecules O Check The most important rock-forming minerals include: Select one: O a. Hematite, native copper, feldspar, and olivine b. Feldspars, blotite, and garnet c. Amphiboles, fedispars, quartz, and rutile d. Quartz, feldspar, granite, and basalt e. Calcite, feldspars, biotite, and amphiboles Check What property causes the mineral blotite to cleave into thin flat sheets? Select one:

Explanation / Answer

Answer:

Which best describes the difference between sulfides and sulfates?

Option c

Sulfides are metals bonded with sulfur; sulfates are metal bonded with sulfate anion.

Explanation:

Sulfate is a polyatomic ion with the chemical symbol of SO4 and valency of 2-, where as in sulfide it is a non atomic ion with the formula S2

The most important rock forming minerals include?

Option e

Calcite, feldspars, biotite, and amphiboles

Explanation:

Six most common minerals include in rock formation

Quartz

Feldspar

Mica: If mica may be white and pearly called Muscovite, or dark and shiny called biotite

Calcite

Amphibole

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