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ameliaxbowen7
29.06.2019 •
Chemistry
Why do you think forensic scientists are so careful that the tests they do are sensitive, reproducible, and specific?
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Ответ:
Critical Thinking Questions
1. Why do you think forensic scientists are so careful that the tests they do are sensitive, reproducible, and specific? What might happen if they were less careful about this?
They have to be careful to ensure as much accuracy as possible.
2.Which type of evidence do you think is most useful in an investigation? Why?
Physical evidence would probably be most important because it is the best way to connect someone directly with that crime.
3.Why do you think that forensic scientists continue to look for class characteristics given their limitations?
Class characteristics are good in court because it provides details of different aspects of the crime.
Ответ:
Alkaline Earth Metals are the 2nd Group of Metals on the Periodic Table.
Explanation:
Characteristics:
- Shiny
- Reactive
- Low melting and boiling points
- Low density
- 2 valence electrons
Alkaline Earth Metals cannot be found alone in nature since they are highly reactable (If you've ever thrown barium into a lake, it would cause a massive explosion).