Magnesium Oxide, MgO, Melts at 2,800 ^$\circ$ C and Is Very Hard

question 17

Multiple Choice

Magnesium oxide, MgO, melts at 2,800 ^$\circ$ C and is very hard. The liquid conducts electricity very well. What kind of crystal is this

• A) Ionic Crystal
• B) Covalent Crystal
• C) Metallic Crystal
• D) Molecular Crystal
• E) Amorphous (Not a regular crystal)

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Definitions:

Colossal

Extremely large or great in scale, size, or extent, often used to describe statues, buildings, and natural features of remarkable magnitude.

Oligopolistic Market

A market structure dominated by a small number of large firms, leading to limited competition and often collaborative behavior to control prices and market share.

Few Sellers

A market structure characterized by a small number of sellers, leading to a higher level of market power and potentially less competition.

Oligopolies

Market structures characterized by a small number of firms controlling a large portion of the market share, influencing prices and competition.