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».
If one asked you what is the longest bridge in the world, the answer is here. 10. Seven Mile Bridge is a 2 lanes bridge in Florida Keys that connects Key Vaca of middle keys with Little duck keys of lower keys over Moser channel. It is 10887.5 meters long and 11.58 meters wide. Itâs the 10th longest bridge on this list. 9.