QR Challenge: Chemistry Review 4
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. What is the name of ICl3? Next: Mrs. Gregory's blue closet | clue 1
|
2. What type of intermolecular bond forms between two molecules of HCl? Dipole-dipole, hydrogen bond, London dispersion. Next: The front of the gym | clue 2
| 3. In 7.32 seconds, 2.5 g of argon-35 decay to leave only 0.15625 g. What is the half-life of argon-35 Next: Girl's bathroom by Mrs. Lawrence's room | clue 3
| 4. What groups are in the s block? Next: Door outside of Mrs. Bond's office | clue 4
| 5. What is the identity of a metal with a volume of 12.5 cm3 and a mass of 98.25 g? Next: Mrs. Gregory's room fume hood | clue 5
| 6. Write the isotope notation for an ion that has a charge of -2 with 36 electrons and 30 neutrons. Next: Short activity bus | clue 6
| 7. Name the subatomic particle with a mass of 1/2000 amu, negative charge and is found outside of the nucleus. Next: Bench by the front office | clue 7
| 8. What is the wavelength and type of electromagnetic radiation emitted when an electron falls from n6 to n3? Next: Teacher's lounge (new building) | clue 8
| 9. Write the full electron configuration for arsenic. Next: Mr. Hale's door | clue 9
| 10. Write the noble gas notation for barium. Next: Mrs. Gregory's car | clue 10
| 11. What element in the halogen group has the largest atomic radius? Next: Right side of the auditorium | clue 11
| 12. Write the formula for iron (III) sulfate and sulfur trioxide. Mr. Jackie's house. | clue 12
| 13. Arrange the atoms from the smallest electronegativity to greatest electronegativity (Al, F, Zr) Next: Library door | clue 13
| 14. Write the dot diagram for an atom of germanium. Next: Lunchroom door | clue 14
| 15. What type of bond is formed between CuIO3? What is the name of the compound? Next: Left side of the auditorium | clue 15
| 16. What type of molecular geometry does PH3 have? Next: Mr. Beirne's shop door | clue 16 |
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=What_is_the_name_of_ICl3?__Next:__Mrs._Gregory's_blue_closet
Question 1 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=What_type_of_intermolecular_bond_forms_between_two_molecules_of_HCl?_Dipole-dipole,_hydrogen_bond,_London_dispersion.__Next:__The_front_of_the_gym
Question 2 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=In_7.32_seconds,_2.5_g_of_argon-35_decay_to_leave_only_0.15625_g.__What_is_the_half-life_of_argon-35__Next:__Girl's_bathroom_by_Mrs._Lawrence's_room
Question 3 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=What_groups_are_in_the_s_block?_Next:_Door_outside_of_Mrs._Bond's_office
Question 4 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=What_is_the_identity_of_a_metal_with_a_volume_of_12.5_cm3_and_a_mass_of_98.25_g?__Next:_Mrs._Gregory's_room_fume_hood
Question 5 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=Write_the_isotope_notation_for_an_ion_that_has_a_charge_of_-2_with_36_electrons_and_30_neutrons._Next:__Short_activity_bus
Question 6 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=Name_the_subatomic_particle_with_a_mass_of_1/2000_amu,_negative_charge_and_is_found_outside_of_the_nucleus.__Next:__Bench_by_the_front_office
Question 7 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=What_is_the_wavelength_and_type_of_electromagnetic_radiation_emitted_when_an_electron_falls_from_n6_to_n3?__Next:__Teacher's_lounge_(new_building)
Question 8 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=Write_the_full_electron_configuration_for_arsenic.__Next:__Mr._Hale's_door
Question 9 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=Write_the_noble_gas_notation_for_barium._Next:__Mrs._Gregory's_car
Question 10 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=What_element_in_the_halogen_group_has_the_largest_atomic_radius?_Next:__Right_side_of_the_auditorium
Question 11 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=Write_the_formula_for_iron_(III)_sulfate_and_sulfur_trioxide.__Mr._Jackie's_house.
Question 12 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=Arrange_the_atoms_from_the_smallest_electronegativity_to_greatest_electronegativity_(Al,_F,_Zr)__Next:_Library_door
Question 13 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=Write_the_dot_diagram_for_an_atom_of_germanium.__Next:__Lunchroom_door
Question 14 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=What_type_of_bond_is_formed_between_CuIO3?_What_is_the_name_of_the_compound?__Next:__Left_side_of_the_auditorium
Question 15 (of 16)
Chemistry Review 4: QR Challenge
https://www.classtools.net/QR/decode.php?text=What_type_of_molecular_geometry_does_PH3_have?__Next:__Mr._Beirne's_shop_door
Question 16 (of 16)
