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 (H2O) acts like other covalent compounds?

Many covalent compounds have relatively low boiling points compared with ionic compounds, so they can be boiled with ordinary heating. Bill can show that water boils on a kitchen stove, supporting this shared behavior. Being a liquid or changing shape describes liquid substances generally, while conducting electricity is not a typical property of covalent compounds.

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