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Covalent Compounds

Physical Science - Middle School

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Covalent Compounds © Copyright NewPath Learning. All Rights Reserved. 94-4842 Visit www.newpathlearning.com for Online Learning Resources. Covalent Compounds The atoms in covalent compounds, also known as molecular compounds, are bonded together by covalent bonds. Unlike ionic compounds which form a regular pattern, covalent compounds form individual molecules that are not connected to each other. Due to weak intermolecular forces, most covalent molecules or covalent compounds are liquids or gases at room temperature, with low melting and boiling points. Although most covalent compounds are gases or liquids at room temperature, there’s a class of solid compounds known as covalent network solids that are bonded by covalent bonds, but in a lattice structure. Such compounds are typically hard, transparent, and have high melting points. Examples include diamond, quartz and graphite, among others. Since covalent molecules do not separate into ions when dissolved in water, they are poor conductors of electricity. diamondquartz graphite H 2O O 2 • weakintermolecular forces • liquidorgasatroom temperature • lowmelting&boiling points • donotseparateintoions inasolution • poorconductorsof electricity diamond quartz graphite

Pause and Review Complete the concept maps below. Covalent Compounds © Copyright NewPath Learning. All Rights Reserved. 94-4842 Visit www.newpathlearning.com for Online Learning Resources. Characteristics of Covalent Compounds Examples of Solid Covalent Compounds

Covalent Compounds

Physical Science - Middle School

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