Silicon Dioxide Exists as a

question 116

Multiple Choice

Silicon dioxide exists as a

• A)covalent network solid.
• B)metallic solid.
• C)semimetallic solid.
• D)molecular solid.
• E)liquid.

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Definitions:

Basaltic Lava

A type of lava that is low in silica content, highly fluid, and originates from the partial melting of the upper mantle.

Lava Fountains

Explosive volcanic eruptions that eject lava high into the air in a spectacular display, often from a single vent or fissure.

Pahoehoe Lava

A type of basaltic lava flow with a smooth, unbroken surface that resembles ropey or wrinkled skin, flowing more fluidly than other types.

Aa Lava

A type of lava flow characterized by a rough, jagged surface formed when more viscous lava cools and solidifies.