Felsic Rocks Like Granite_______

question 51

Multiple Choice

Felsic rocks like granite_______ .

• A) make up most of the ocean floor and volcanic island chains
• B) are major constituents of the continental crust
• C) are extremely rare on Earth but abundant on the Moon
• D) form mainly in volcanic island chains

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Definitions:

IR

Infrared (IR) spectroscopy is a technique used for identifying and studying chemicals through the absorption of infrared light, which causes molecular vibrations.

IR Absorption

The process by which molecules absorb infrared radiation, used in spectroscopy to identify chemical compounds.

Ethyne

A hydrocarbon compound with the formula C2H2, known as acetylene, used as a fuel and a building block in organic synthesis.

Dipole Moment

A measure of the polarity of a chemical bond within a molecule, quantifying the separation of positive and negative charges in a molecule.