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QR Challenge: Structure and Bonding

Created using the ClassTools QR Treasure Hunt Generator

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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

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. I am an ionic compound.Magnesium Oxide
2. I am a simple covalent compound. Methane
3. I am an element with the symbol O. Oxygen
4. I am an element with the symbol C. Carbon
5. I am an element with the symbol H. Hydrogen
6. I am a metal. Magnesium
7. I contain magnesium and oxide ions.Magnesium Oxide
8. I contain magnesium ions and delocalised electrons.Magnesium
9. I contain oxygen molecules.Oxygen
10. I form when magnesium atom transfers two electrons to an oxygen atom. A magnesium ion and oxide ion are formed. Magnesium oxide
11. My ion has a charge of +2.Magnesium
12. My ion has a charge of -2.Oxygen
13. I am a compound with a high melting and boiling point.Magnesium oxide
14. I can dissolve in water.Magnesium oxide
15. I can conduct electricity when dissolved in water or molten.Magnesium oxide
16. I have millions of positive and negative ions arranged in a regular pattern to make a giant ionic lattice.Magnesium oxide
17. Electrons are shared between two different atoms in my structure.Methane
18. My formula is CH4.Methane
19. I contain carbon atoms only.Carbon
20. I contain hydrogen molecules.Hydrogen
21. I contain carbon and hydrogen atoms bonded together.Methane
22. I am a compound with a low melting and boiling point.Methane
23. I am a compound that does not conduct electricity.Methane
24. I am a covalent compound with weak intermolecular forces (forces between molecules). This is why I have a low melting and boiling point.Methane
25. I am a metal.Magnesium
26. I have delocalised electrons.Magnesium
27. I always conduct electricity.Magnesium
28. I am an element with a high melting and boiling point.Magnesium

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_am_an_ionic_compound.

Question 1 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_am_a_simple_covalent_compound.

Question 2 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_am_an_element_with_the_symbol_O.

Question 3 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_am_an_element_with_the_symbol_C.

Question 4 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_am_an_element_with_the_symbol_H.

Question 5 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_am_a_metal.

Question 6 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_contain_magnesium_and_oxide_ions.

Question 7 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_contain_magnesium_ions_and_delocalised_electrons.

Question 8 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_contain_oxygen_molecules.

Question 9 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_form_when_magnesium_atom_transfers_two_electrons_to_an_oxygen_atom._A_magnesium_ion_and_oxide_ion_are_formed.

Question 10 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=My_ion_has_a_charge_of_+2.

Question 11 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=My_ion_has_a_charge_of_-2.

Question 12 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_am_a_compound_with__a_high_melting_and_boiling_point.

Question 13 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_can_dissolve_in_water.

Question 14 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_can_conduct_electricity_when_dissolved_in_water_or_molten.

Question 15 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_have_millions_of_positive_and_negative_ions_arranged_in_a_regular_pattern_to_make_a_giant_ionic_lattice.

Question 16 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=Electrons_are_shared_between_two_different_atoms_in_my_structure.

Question 17 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=My_formula_is_CH4.

Question 18 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_contain_carbon_atoms_only.

Question 19 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_contain_hydrogen_molecules.

Question 20 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_contain_carbon_and_hydrogen_atoms_bonded_together.

Question 21 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_am_a_compound_with_a_low_melting_and_boiling_point.

Question 22 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_am_a_compound_that_does_not_conduct_electricity.

Question 23 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_am_a_covalent_compound_with_weak_intermolecular_forces_(forces_between_molecules)._This_is_why_I_have_a_low_melting_and_boiling_point.

Question 24 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_am_a_metal.

Question 25 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_have_delocalised_electrons.

Question 26 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_always_conduct_electricity.

Question 27 (of 28)

 


Structure and Bonding: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_am_an_element_with_a_high_melting_and_boiling_point.

Question 28 (of 28)