Identify the Following Terms

question 87

Short Answer

Identify the following terms:
General Augusto Pinochet

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Definitions:

Hydrogen

The lightest and most abundant chemical element in the universe, consisting of a single proton with one electron, often used in fuel cells and various industrial processes.

Mercury

A chemical element with the symbol Hg and atomic number 80, known as quicksilver; a heavy, silvery d-block element that is liquid at room temperature.

Helium

A colorless, odorless, tasteless, inert gas that is the second lightest element and found in abundance in the universe.

Coinage Metals

Coinage metals refer to metals that historically have been used to make coins, primarily including gold, silver, and copper due to their corrosion resistance and ease of workability.