A Substance in Which Atoms Are Arranged Without a Regular

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)

Q13: A mineral that is valued for its

Q14: Which of the following best describes an

Q15: Minerals whose chemical elements include carbon and

Q16: Halite (table salt) is composed of _.<br>A)

Q17: Ninety-two percent of the Earth's crust is