Vapor pressure 9.9 x 10-18 mm Hg. 23. 24 KI crystallizes in the sodium chloride structure, hexahedral crystals. It is less hygroscopic than sodium. 25 iodide, making it easier to work with. Potassium iodide is stable in dry air but slightly hygroscopic in. 26 moist air.
Earlier this year China opened the Quindao Haiwan Bridge, the world's longest bridge over water stretching 26.4 miles. With the opening of the Quindao Haiwan, Louisiana's Lake Pontchartrain Bridge fell to second longest after holding the top spot since it opened in 1956. Click here to see the bridges > Â».
The majority of the worldâs 12 longest road bridges are located in China and United States of America. The worldâs longest however, the Bang Na Expressway, is located in Thailand. The majority of the world's 12 longest road bridges are located in China and United States of America. The world's longest however, the Bang Na Expressway, is located in Thailand. Roadtraffic-technology.com lists the world's 12 longest road bridges based on length.