Which One of the Following Is an Example of a Covalent

question 18

Multiple Choice

Which one of the following is an example of a covalent network solid

• A) SiO₂
• B) K
• C) I₂
• D) CaCl₂
• E) None of these.

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Definitions:

Macronutrient

Nutrients required by organisms in larger amounts for growth and energy, including proteins, carbohydrates, and fats.

Carbohydrates

Organic compounds consisting of carbon, hydrogen, and oxygen, in a ratio of 1:2:1 respectively, serving as a major energy source for organisms.

Lipid

A group of naturally occurring molecules that include fats, waxes, sterols, and fat-soluble vitamins, used for energy storage and cell signaling.

Protein

Large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues, essential for all living organisms.