Multiple Choice
Which of the following best describes an element?
A) a small, dense, positively charged subatomic particle
B) a fundamental form of matter that can be broken into simpler substances by ordinary chemical processes
C) a fundamental form of matter that cannot be broken into simpler substances by ordinary chemical processes
D) a naturally occurring inorganic solid with a characteristic chemical composition and a crystalline structure
Correct Answer:
Verified
Correct Answer:
Verified
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)
Q12: A substance in which atoms are arranged
Q13: A mineral that is valued for its
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
Q18: Radon forms by the radioactive decay of
Q19: Which one of the following is not