Copper, Lead, and Zinc Commonly Form

Q1: A positively charged ion is a _.

Q2: A/an _ _ is a planar surface

Q4: The basic unit of all silicates is

Q5: Cleavage is the tendency of some minerals

Q6: _ _ is the weight of a

Q7: It is not necessary for a substance

Q8: Which of the following describes a crystal?<br>A)

Q9: Only eight elements-oxygen, silicon, aluminum, iron, calcium,

Q10: An element cannot be broken into smaller

Q11: Minerals are classified according to their:<br>A) streak.<br>B)