Draw a segment of polystyrene that contains two head-to-head, two tail-to-tail, and two head-to-taillinkages.
Chem 107 Microscopy is applicable to every area of forensic science A microscope is an optical instrument that uses a lens or combination of lenses to magnify and resolve fine details of an object The earliest methods for examining physical evidence relied solely on the microscope Various types of microscopes are used to analyze forensic specimens Advantages Sample preparation is often minimal Can be used for separation and identification Nondestructive Versatile Magnification ranges based on the microscope Elemental composition can be determined Comparison microscope can analyze two objects side by side Can be combined with other analytical instruments to extend the instrument’s capabilities The Lens Lens: A transluc