For a science fair project about food and chemistry, Bill looks around his kitchen for examples of covalent compounds. What evidence can Bill use in his project to show that water open paren cap h sub 2 cap o close paren acts like other covalent compounds?

Many covalent compounds are made of separate molecules with relatively weak attractions between them, so they can be boiled without extremely high temperatures. Bill can heat water on a simple kitchen stove and observe it boil, showing this molecular-compound behavior. Being a liquid or changing shape, as in choices A and C, describes properties of liquids generally, not specifically covalent compounds.

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