Forensics and Chemistry

7. [8] tool marks created from two objects rubbing against each other
8. [4] ___alkane, a hydrocarbon containing a group 7 element
11. [12] Evidence not accepted as valid in court
14. [9] solution used for visualising fingerprints that turns pink/purple
15. [6] functional group with the formula C-CO-C and ending in -one
16. [6] the term for two molecules with the same formula but different structures and properties
17. [5] a type of isomer caused by the rotation of hydrocarbon bonds in a molecule
19. [3] the alternative name for Z isomer molecules
21. [7] Free from bacteria and other living microorganisms
22. [7] an atom with a single unpaired electron
24. [7] an object collected for forensic analysis
25. [4] a small particle made up of protons, electrons, and neutrons
26. [6] a piece of PPE worn to protect items when touching them
27. [2,4] a piece of evidence that is still in the location it was found

1. [6] a potential source of harm
2. [5] An act introduced in 2002 to protect people handling hazardous substances at work
3. [7] A class A drug, ___ Bear (2023 film)
4. [9] type of powder used to dust for prints on a dark background
5. [5] A small piece of evidence that may be unintentionally left at a scene
6. [7] The R in FDR, left by guns at a crime scene
9. [6] a piece of evidence that isn't visible without enhancement
10. [5] A type of search pattern that involves starting in the centre of an imaginary circle and moving outwards
12. [10] ___ of evidence, the documentation that tracks a piece of evidence through an investigation
13. [13] the unwanted transfer of material to a piece of evidence
18. [7] a method used to collect footprints and tool marks
20. [4] tool used to collect liquid samples such as blood
23. [8] a hydrocarbon containing at least one benzene ring
27. [5] the governing body that sets chemical standard, including naming conventions