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».
Penang Bridge is a dual carriageway toll bridge connecting George Town on the island of Penang and Seberang Prai on the mainland of Malaysia on the Malay Peninsula. The total length of the bridge is 13.5 km (8.4 mi), making it the longest bridge in Malaysia as and the fourth-longest in Southeast Asia.