1 Surface chemistry can also be interpreted from a coordination chemistry approach, and processes such as ion exchange, sorption, and weathering are really ligand exchange reactions.  Coordination compounds are complexes that consist of one or more central atoms or ions with one or more attached molecules.
With more than 18,000 Starbucks locations worldwide, the coffee giant has several unusual stores that are worth a look. Author Created with Sketch. With more than 18,000 Starbucks locations worldwide, the coffee giant has several unusual stores that are worth a look.
Wal-Mart now has 4,100 outlets in the United States and a further 3,100 in 13 countries around the world, including Asda in Britain. Sales were over $374bn last year (only slightly lower than the GDP of Denmark).