Which of the following substances is molecular (composed of individual molecules) in composition?

Question

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Drinking water is composed of individual molecules of H2O bonded together, making it a molecular substance. Carbon in coal is primarily composed of carbon atoms bound together through covalent bonding, making it a network solid. Copper is a metallic element and forms a crystal lattice structure, making a copper ingot an example of a metallic substance. Helium gas in a balloon is composed of individual helium atoms but is still considered an element, not a molecular substance.

Which of the Following Substances Is Molecular (Composed of Individual