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\nBeautiful Bonds The World of Covalent and Metallic Solids\n

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\nBeautiful Bonds: The World of Covalent and Metallic SolidsCovalent solids, also known as network solids, are materials with atoms bonded together in a continuous network by covalent bonds, resulting in large, rigid structures. These...\nBeautiful Bonds: The World of Covalent and Metallic Solids
Covalent solids, also known as network solids, are materials with atoms bonded together in a continuous network by covalent bonds, resulting in large, rigid structures. These solids have high melting points due to their strength, and are generally hard and brittle. They are not good electrical insulators as they lack free-moving electrons. Examples of covalent solids include diamond, quartz, and silicon carbide.

Metallic solids, on the other hand, consist of metal atoms bonded by metallic bonds, which create a \"sea of electrons.\" These free electrons enable efficient electricity and heat conduction. They are malleable and ductile, allowing metals to be hammered into thin sheets and drawn into wires. Metals are typically shiny due to the interaction of their free electrons with light. Examples of metallic solids include iron, copper, gold, and aluminum.

The mobility of electrons allows metals to conduct electricity and heat, while the ability of atoms to move past each other without breaking bonds accounts for their malleability and ductility. These solids are used extensively in construction due to their strength and durability, and in electronics due to their excellent conductivity. Understanding covalent and metallic solids allows us to appreciate the diverse properties and applications of different materials based on their bonding and structure.
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Resource Details

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Media Length
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5:31
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Grade
9th - Higher Ed
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Subjects
Science
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Media Type
Instructional Videos
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Source:
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\nAudio Visual Representation of Chemistry\n\n
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Date
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2024
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Language
English
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Audiences
For Teacher Use
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Fine Print: Educational Use
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Concepts

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polar molecules, carbon, ions, solids, molecules, hydrogen, conductors
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Additional Tags

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carbon atom, good conductor, solid ammonia, attractive forces, metal ions, ionic solids, molecular solids, metallic solids, solids exist, solids atoms, hydrogen chloride, free ions, strong coal, graphite acts, strong, polar, network, acts, free, aqueous, soft, generally, layers
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