1. Compounds with ________ bonds are poor conductors of electricity, even when melted.
2. A naturally occurring, inorganic solid that has an orderly crystalline structure and a definite chemical composition is a
______ .
3.. As magma cools, the first minerals to ______ are rich in iron, calcium, and magnesium
4.
Minerals are classified into groups based on _______ .
2. A naturally occurring, inorganic solid that has an orderly crystalline structure and a definite chemical composition is a

3.. As magma cools, the first minerals to ______ are rich in iron, calcium, and magnesium
4.
Minerals are classified into groups based on _______ .