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Metallic Bonding

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Published in: Chemistry
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This PowerPoint presentation delves into the concept of metallic bonding, a key type of chemical bonding that occurs between metal atoms. The presentation begins by defining metallic bonding as the attraction between positively charged metal ions and a sea of delocalized electrons that are free to move throughout the metal lattice. This unique bonding gives metals their characteristic properties. The presentation concludes by emphasizing the importance of metallic bonding in understanding the physical and chemical properties of metals and their wide range of applications in everyday life.

Mudasir A / Jammu

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Qualification: Masters

Teaches: Chemistry, All Subjects, Mathematics, Physics, Science

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  1. Metallic Bonding Strong forces of attraction are responsible for the high melting point of most metals.
  2. CA Standards Students know atoms combine to form molecules by sharing electrons to form covalent or metallic bonds or by exchanging electrons to form ionic bonds.
  3. Metallic Bonding C) The chemical bonding that 0000 results from the attraction between metal cations and the surrounding sea of electrons @OoOÖ C) Vacant p and d orbitals in metal's outer energy levels overlap, and allow outer electrons to move freely throughout the metal C) Valence electrons do not belong to any one atom
  4. Packing in Metals Model: Packing uniform, hard spheres to best use available space. This is called closest packing. Each atom has 12 nearest neighbors.
  5. Metal Alloys *Substitutional Alloy: some metal atoms replaced by others of similar size. Copper A Brass, a substitutional alloy Zinc
  6. Metal Alloys *Interstitial Alloy: Carbon Interstices (holes) in closest packed Iron metal structure are occupied by small atoms. B Carbon steel, an interstitial alloy
  7. Properties of Metals Metals are good conductors of heat and electricity Metals are malleable Metals are ductile Metals have high tensile strength Metals have luster

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