Multiple Choice
Light colored silicates have a specific gravity of about 2.7 grams/cm3 are composed primarily of the silica tetrahedra and __________.
A) iron, magnesium, calcium, and sodium
B) potassium, calcium, sodium, and aluminum
C) aluminum, magnesium, calcium, and iron
D) potassium, aluminum, magnesium, and sodium
E) magnesium, aluminum, sodium, and calcium
Correct Answer:
Verified
Correct Answer:
Verified
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