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QR Challenge: Atoms & Periodic Table review

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. In a compound, how are the different elements combined?chemically
2. What element's atoms has the number of protons represented by the room number?16Si16
3. What is the only metalloid in the group?13B13
4. What group in the PT has the valence electrons represented by the room #?6sixteen6
5. What is the smallest part of a compound?2molecule2
6. How do the elements/atoms in a compound form a chemical bond?3in a specific ratio3
7. What is required for a compound to form?4energy4
8. Who was the first person to call the smallest piece of uncuttable matter "atomos"?5democritus5
9. Who described the atom as a positive sphere with negative charges scattered in it?7thomson7
10. Who described the atom as a positive center with electrons traveling on orbits?8bohr8
11. What familiy is very reactive and never found uncombined in nature?9Alkali metals9
12. What is the symbol for Potassium?10K10
13. What family is very unreactive and are all nonmetals?11noble gases11
14. What element's atom has the same number of electrons as the room #?12Na12
15. What 2 elements's atoms could have the same amount of neutrons as the room #?14F,Ne14
16. What family on the PT corresponds to the room #?15halogens15
17. How many valence electrons does the element whose atomic #matches the room # have?17five17
18. How many energy regions would an atom in the period that matches the room # have?18seven18
19. What is unique about the element whose atomic # matches the room #?19one of the 2 liquids19
20. What is the atomic mass of the element whose atomic # matches the room #?2074.92120
21. What element's atom has the same # of electrons as the room #?21Ba21
22. What model describes the atom as a postively charged nucleus with e- moving randomly around it?22rutherford
23. What is the difference between the cloud & modern cloud model of the atom?23neutrons in modern23
24. What is the element name whose atomic # matches the room #?25cesium
25. What period does the element whose atomic # matches the room# belong to?24six24

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=In_a_compound,_how_are_the_different_elements_combined?

Question 1 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_element's_atoms_has_the_number_of_protons_represented_by_the_room_number?16

Question 2 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_only_metalloid_in_the_group?13

Question 3 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_group_in_the_PT_has_the_valence_electrons_represented_by_the_room_?6

Question 4 (of 25)

 


Atoms & Periodic Table review: QR Challenge

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

Question 5 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_do_the_elements/atoms_in_a_compound_form_a_chemical_bond?3

Question 6 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_required_for_a_compound_to_form?4

Question 7 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Who_was_the_first_person_to_call_the_smallest_piece_of_uncuttable_matter_"atomos"?5

Question 8 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Who_described_the_atom_as_a_positive_sphere_with_negative_charges_scattered_in_it?7

Question 9 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Who_described_the_atom_as_a_positive_center_with_electrons_traveling_on_orbits?8

Question 10 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_familiy_is_very_reactive_and_never_found_uncombined_in_nature?9

Question 11 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_symbol_for_Potassium?10

Question 12 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_family_is_very_unreactive_and_are_all_nonmetals?11

Question 13 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_element's_atom_has_the_same_number_of_electrons_as_the_room_?12

Question 14 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_2_elements's_atoms_could_have_the_same_amount_of_neutrons_as_the_room_?14

Question 15 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_family_on_the_PT_corresponds_to_the_room_?15

Question 16 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_valence_electrons_does_the_element_whose_atomic_matches_the_room__have?17

Question 17 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_energy_regions_would_an_atom_in_the_period_that_matches_the_room__have?18

Question 18 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_unique_about_the_element_whose_atomic__matches_the_room_?19

Question 19 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_atomic_mass_of_the_element_whose_atomic__matches_the_room_?20

Question 20 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_element's_atom_has_the_same__of_electrons_as_the_room_?21

Question 21 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_model_describes_the_atom_as_a_postively_charged_nucleus_with_e-_moving_randomly_around_it?22

Question 22 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_difference_between_the_cloud_&_modern_cloud_model_of_the_atom?23

Question 23 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_element_name_whose_atomic__matches_the_room_?25

Question 24 (of 25)

 


Atoms & Periodic Table review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_period_does_the_element_whose_atomic__matches_the_room_belong_to?24

Question 25 (of 25)