Multiple Choice
Which of the following is a true statement about minerals?
A) A total of 88 elements occur naturally in the Earth's crust
B) Eight elements make up more than 98% of the crust
C) The composition of a mineral can be expressed as a chemical formula such as SiO2 for quartz
D) Quartz would not have the same chemical formula anywhere else in the universe-its chemical formula is unique to Earth
E) 3500 minerals are known on Earth
Correct Answer:
Verified
Correct Answer:
Verified
Q14: The chemical formula for quartz is SiO<sub>2</sub>
Q15: Which of the following properties would be
Q16: The color of a mineral is not
Q17: Explain how clay forms.
Q19: Explain why sulfuric acid that comes from
Q20: Corundum will scratch topaz, diamond, and quartz
Q21: Which carcinogenic mineral can cause air pollution
Q22: Like the Stone Age, the Bronze Age,
Q23: Explain why laws were passed and which
Q76: Explain how the Earth's systems (atmosphere, hydrosphere,