A mineral is a- naturally occurring inorganic solid with a orderly crystalline s

Question

A mineral is a- naturally occurring inorganic solid with a orderly crystalline structure and definite chemical composition O naturally occurring organic solid with a orderly crystalline structure and definite chemical composition naturally occurring inorganic solid with a crystalline structure and chemical composition inorganic solid with a crystalline structure and chemical composition Question 21 What are the eight elements that make up most minerals? silicon, nitrogen, oxygen, magnesium, sulfur, iron, calcium, and potassium oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium O oxygen, silicon, nitrogen, calcium, carbon, sodium, potassium, and magnesium carbon, potassium, oxygen, nitrogen, sodium, iron, magnesium, and silicon

Explanation / Answer

20.The answer is a, a mineral is naturally occuring inorganic substance with ordered crystalline structure and definite chemical composition . Physical properties are also considered.

21. The answer is b
The elements which make up most of minerals are
a. Oxygen=47%
b.Silicon=28%
c.Aluminium=8%
d.Iron=5%
e.Calcium=3.5%
f.Sodium=3%
g.Potassium=2.5%
h.Magnesium= 2%

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