Covalent compounds have distinct physical properties such as low melting points, insolubility in water, and lack of electrical conductivity.
Covalent compounds exhibit different physical properties than ionic compounds. They often have lower melting and boiling points, are insoluble in water, lack electrical conductivity, and tend to be less lustrous. For instance, when a white solid disappears in water without a bright sheen, and if it does not conduct electricity, it aligns with the properties of covalent compounds.
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