China Vanke, the largest real estate developer in the worldâs second largest economy announced today that it has broken ground on a new project in New York City with US-based partners Hines and RFR Holdings.he move by the Shenzhen-based property giant comes as part of a drive to diversify into new markets that last year saw Vanke launch overseas projects that include a $620 million joint project in San Francisco with Tishman Speyer, as well as deals in Hong Kong and Singapore.
1 A metal is a lattice of positive metal 'ions' in a 'sea' of delocalised electrons. 2  Metallic bonding refers to the interaction between the delocalised electrons and the metal nuclei. 3  The physical properties of metals are the result of the delocalisation of the electrons involved in metallic bonding.he strength of the metallic bond depends on the. 1  number of electrons in the delocalised 'sea' of electrons. ( 2 More delocalised electrons results in a stronger bond and a higher melting point.). 3  packing arrangement of the metal atoms.
Metallic bonding is the result the electrostatic attractive force that occurs between conduction electrons (in the form of an electron cloud of delocalized electrons) and positively charged metal ions. It may be described as the sharing of free electrons among a lattice of positively charged ions (cations). Metallic bonding accounts for many physical properties of metals, such as strength, ductility, thermal and electrical resistivity and conductivity, opacity, and luster.