Which One of the Following Substances Crystallizes as a Covalent

question 74

Multiple Choice

Which one of the following substances crystallizes as a covalent crystal

• A) CaO
• B) SiO₂
• C) CO₂
• D) Pb
• E) KMnO₄

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Definitions:

Evolutionary Psychologists

Specialists who study the psychological traits such as memory, perception, or language from an evolutionary perspective.

Natural Selection

A fundamental mechanism of evolution, proposed by Charles Darwin, where organisms better adapted to their environment tend to survive and reproduce more successfully.

Charles Darwin

A 19th-century naturalist known for developing the theory of evolution by natural selection, explaining species diversity.

Evolution

The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.