Ch. 6 Bonding 6.4 Metallic Bonding

Bonding of Metals the highest energy level for most metal atoms does not contain many electrons usually have empty p and d block these vacant overlapping orbitals allow outer electrons to roam freely around the entire metal the electrons are delocalized – are not with one specific atom

Bonding of Metals these roaming electrons form a sea of electrons around the metal atoms metal atoms are packed in a crystal lattice metallic bonding – bonding that results from the attraction between metals atoms and sea of electrons

Properties of Metals conductivity luster (shininess) from the freedom of electrons to move around the atoms luster (shininess) contain many orbitals with only small differences in energy many amounts of energy can be absorbed and emitted

Properties of Metals malleability and ductility bonding is the same in every direction one layer of atoms can slide past another without friction

Bond Strength depends on the nuclear charge (Z) or the number of protons depends on the number of electrons in the “sea” heat of sublimination – amount of heat required to turn solid, bonded metal atoms into gaseous individual atoms

Metallic vs. Ionic