In the investigation of trace metals, filings, shavings and other metal particles can be identified chemically or spectrographically.Question 7Select one:TrueFalse

How could you use them to distinguish between samples of metals and non-metals?

Identify: We use metals in a huge variety of ways. Identify as many uses as possible.

In the examination of trace evidence, wood examinations can determine the species of wood, compare questioned and known samples of wood, and do fracture and cut end matches.Question 9Select one:TrueFalse

Describe the main features of metals in terms of their structure

Discuss the classification of materials with examples.