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Exam 2: Minerals: The Building Blocks of Rocks

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Question 21

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The silicon-oxygen tetrahedron has a net charge of ________.

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Question 22

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Atoms of the same element, carbon for example, always have the same ________.

A) number of electrons in the nucleus
B) number of protons in the nucleus
C) number of neutrons in its chemical bonds
D) atomic weight

E) All of the above
F) A) and D)

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Question 23

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Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Mineral lustre is broadly classified as either metallic or opaque.

________ forms the strongest bond with oxygen anions.

Which element is the first and lightest element in the periodic chart?

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Which of the following is not a silicate mineral?

Graphite is used as a natural abrasive.

What is the name given to an atom that gains or loses electrons in a chemical reaction?

All ferromagnesian minerals contain which two elements?

Which of the following denotes the tiny, but very massive, central part of an atom?

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Graphite has (weak, strong)bonds within its layers but (weak, strong)bonds between its layers.

A cubic centimetre of quartz, olivine, and gold weigh 2.5, 3.0, and 19.8 grams respectively.This indicates that ________.

The real mineral jadarite has the same chemical composition as fictional kryptonite except for what?

What is the smallest particle of matter that exhibits and defines the distinctive chemical characteristics of the individual elements?

Which of the following describes the light reflecting characteristics of a mineral?

Which common rock forming minerals exhibit cleavage planes at nearly 90°?

Hornblende and the other amphiboles have what type of silicate structure?