Humber Admissions Practice Test 2025 - Free Practice Questions and Study Guide for Humber College Admissions

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How do covalent compounds behave when dissolved?

They break apart into ions

They dissolve as whole molecules

Covalent compounds, when dissolved in a solvent like water, primarily retain their molecular structure and dissolve as whole molecules rather than breaking into ions. This behavior is due to the nature of covalent bonding, where atoms share electrons to form stable molecules. Unlike ionic compounds, which dissociate into ions when dissolved, covalent compounds maintain their integrity in solution.

This characteristic is significant because it impacts the solution's properties, including conductivity and reactivity. For instance, solutions of covalent compounds typically do not conduct electricity, as there are no free-moving ions present. Understanding this concept is crucial for predicting how different substances will interact in various solutions.

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They form a mixture with water

They increase in temperature

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