QR Challenge: Writing and Naming Chemical Formulas
Teacher Notes
A. Prior to the lesson:
1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.
2. If their phone camera doesn't automatically detect and decode QR codes, ask students to
- Download a QR reader (e.g. I-Nigma | NeoReader | Kaywa) onto their mobile devices
- Bring these devices into the lesson.
3. Print out the QR codes.
4. Cut them out and place them around your class / school.
B. The lesson:
1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.
2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.
3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!
C. TIPS / OTHER IDEAS
4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.
Questions / Answers (teacher reference)
Question | Answer |
1. copper (II) chloride | CuCl2
|
2. lithium acetate | LiCH3COO
| 3. vanadium (III) selenide | VSe
| 4. manganese (IV) nitride | Mn3N4
| 5. beryllium oxide | BeO
| 6. sodium sulfate | Na2SO4
| 7. aluminum arsenide | AlAs
| 8. potassium permanganate | KMnO4
| 9. chromium (VI) cyanide | Cr(CN)6
| 10. tin (II) sulfite | SnSO3
| 11. vanadium (V) fluoride | VF5
| 12. ammonium nitrate | NH4NO3
| 13. NaBr | sodium bromide
| 14. Ca(C2H3O2)2 | calcium acetate
| 15. P2O5 | diphosphorus pentoxide
| 16. Ti(SO4)2 | Titanium (II) sulfate
| 17. FePO4 | iron (III) phosphate
| 18. K3N | potassium nitride
| 19. SO2 | sulfur dioxide
| 20. CuOH | copper(I) hydroxide
| 21. Zn(NO2)2 | zinc nitrite
| 22. V2S3 | Vanadium (III) sulfide
| 23. SCl4 | sulfur tetrachloride
| 24. CH4 | carbon tetrahydride
| 25. B2Si | diboron monosilicide
| 26. NF3 | nitrogen trifluoride
| 27. hexaboron monosilicide | B6S
| 28. chlorine dioxide | ClO2
| 29. hydrogen iodide | HI
| 30. iodine pentafluoride | IF5
| 31. dinitrogen trioxide | N2O3 |
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q1/31:
copper (II) chloride&choe=UTF-8
Question 1 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q2/31:
lithium acetate&choe=UTF-8
Question 2 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q3/31:
vanadium (III) selenide&choe=UTF-8
Question 3 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q4/31:
manganese (IV) nitride&choe=UTF-8
Question 4 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q5/31:
beryllium oxide&choe=UTF-8
Question 5 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q6/31:
sodium sulfate&choe=UTF-8
Question 6 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q7/31:
aluminum arsenide&choe=UTF-8
Question 7 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q8/31:
potassium permanganate&choe=UTF-8
Question 8 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q9/31:
chromium (VI) cyanide&choe=UTF-8
Question 9 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q10/31:
tin (II) sulfite&choe=UTF-8
Question 10 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q11/31:
vanadium (V) fluoride&choe=UTF-8
Question 11 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q12/31:
ammonium nitrate&choe=UTF-8
Question 12 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q13/31:
NaBr&choe=UTF-8
Question 13 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q14/31:
Ca(C2H3O2)2&choe=UTF-8
Question 14 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q15/31:
P2O5&choe=UTF-8
Question 15 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q16/31:
Ti(SO4)2&choe=UTF-8
Question 16 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q17/31:
FePO4&choe=UTF-8
Question 17 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q18/31:
K3N&choe=UTF-8
Question 18 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q19/31:
SO2&choe=UTF-8
Question 19 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q20/31:
CuOH&choe=UTF-8
Question 20 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q21/31:
Zn(NO2)2&choe=UTF-8
Question 21 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q22/31:
V2S3&choe=UTF-8
Question 22 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q23/31:
SCl4&choe=UTF-8
Question 23 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q24/31:
CH4&choe=UTF-8
Question 24 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q25/31:
B2Si&choe=UTF-8
Question 25 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q26/31:
NF3&choe=UTF-8
Question 26 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q27/31:
hexaboron monosilicide&choe=UTF-8
Question 27 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q28/31:
chlorine dioxide&choe=UTF-8
Question 28 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q29/31:
hydrogen iodide&choe=UTF-8
Question 29 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q30/31:
iodine pentafluoride&choe=UTF-8
Question 30 (of 31)
Writing and Naming Chemical Formulas: QR Challenge
https://www.classtools.net/QR/decode.php?text=Writing and Naming Chemical Formulas
Q31/31:
dinitrogen trioxide&choe=UTF-8
Question 31 (of 31)