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Crystal Binding (Bonding) Continued More Details on Metallic Bonding Chemical Bonds Metallic Bonding Metals are on the left of the Periodic Table. Have few, loosely held valence electrons If closely pack them can get up to 12 nearest neighbors This causes a high density of valence e- around any given atom & also a high density of neighbor atoms around the loose valence eThese become a sea of mobile electrons Metallic Bonding • Atomic nuclei and inner filled electron shells in a “sea” of electrons made up of unbound valence electrons. • Typical of elements with low ionization potential. Valence electrons easily stripped. • Yields minerals with minerals that are soft, ductile/malleable, highly conductive (due to easily mobile electrons). • Non-directional bonding produces high symmetry