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Using Two or Three Sentences, Answer the Following Questions as Concisely

question 27

Essay

Using two or three sentences, answer the following questions as concisely as possible.
-What is near infrared spectroscopy (NIRS)?


Definitions:

Outermost Shell

The last or furthest energy level of an atom where electrons can be found, significant in determining an element's chemical properties.

Atomic Mass

Average of atom mass units for all the isotopes of an atom.

Ionic Compound

A chemical compound composed of ions held together by ionic bonds, typically formed between metal and non-metal elements.

Calcium Chloride

A chemical compound used in various applications, including as a de-icing agent, in food preservation, and in laboratory settings to provide a source of calcium ions.

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