John Cleese to Star in a British Sitcom for First Time in Nearly 40 Years. 11 April 2017 3:34 AM, -08:00 | Variety - TV News. The new Will & Grace TV series will extend to 12 episodes. 5 April 2017 9:30 PM, -08:00 | The Hollywood News.
Analytical chemists determine the structure, composition, and nature of substances by examining and identifying their various elements or compounds. They also study the relationships and interactions among the parts of compounds.
There are five main branches of chemistry, each of which has many areas of study. Analytical chemistry uses qualitative and quantitative observation to identify and measure the physical and chemical properties of substances. In a sense, all chemistry is analytical. Physical chemistry combines chemistry with physics.