The hurricane re-strengthened to Category 4 status with maximum sustained winds near 130 mph (210 kph). The U.S. National Hurricane Center said Irma was expected to gain a little more strength as it moved through the Straits of Florida and remain a powerful hurricane as it approached Florida. As of 4 a.m. EDT Sunday, the hurricane was centered about 55 miles (90 kilometers) south-southeast of Key West, Florida, and was moving northwest at 6 mph (9 kph).
An organic compound always contains carbon. A few exceptions are carbon monoxide, carbon dioxide, carbonates, cyanides, cyanates, carbides, and thyocyanates, which are considered inorganic. Examples of organic compounds are carbohydrates, lipids, proteins and nucleic acids.
Know what makes a compound ionic. Ionic compounds contain a metal and a nonmetal. Refer to the periodic table of elements to see what categories the elements in the compound belong to.ovalent compounds are formed by two or more nonmetal elements. The name for the compound is based off how many atoms are present. The prefix attached is the Latin term for the number of molecules.