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QR Challenge: Atomic Structure Answers

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. neutron, proton, electron1
2. number of protons2
3. electrons in the outermost energy level/shell3
4. 74
5. False: in a neutral atom, the number of electrons equal the number of protons, which can be determined by the atomic number5
6. D6
7. 87
8. C8
9. False: in a neutral atom, the number of electrons equal the number of protons. If an atom loses electrons then the atom has more protons (+) and the resulting overall charge will be positive (+)9
10. Atom A & Atom C (both have 8 protons)10
11. B11
12. C12
13. B13
14. B14
15. 1515
16. Isotopes are atoms of the same element with the same number of protons but different number of neutrons16
17. B17
18. 4818
19. 2019
20. Neon20
21. 4 protons, 5 neutrons, 4 electrons21
22. True: in a neutral atom, the number of electrons equal the number of protons. If an atom gains electrons then the resulting overall charge will be negative (-).22
23. Atom A & Atom B (both have 6 protons)23
24. The overall charge would be 3-24
25. Sodium is a metal, has 11 protons/electrons, has 12 neutrons, has 1 valence electron. Bromine is a non-metal, has 35 protons/electrons, has 45 neutrons, has 7 valence electrons.25
26. Magnesium lost two electrons26
27. Picture27

 


Atomic Structure Answers: QR Challenge

https://www.classtools.net/QR/decode.php?text=neutron,_proton,_electron

Question 1 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 2 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 3 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 4 (of 27)

 


Atomic Structure Answers: QR Challenge

https://www.classtools.net/QR/decode.php?text=False:_in_a_neutral_atom,_the_number_of_electrons_equal_the_number_of_protons,_which_can_be_determined_by_the_atomic_number

Question 5 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 6 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 7 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 8 (of 27)

 


Atomic Structure Answers: QR Challenge

https://www.classtools.net/QR/decode.php?text=False:_in_a_neutral_atom,_the_number_of_electrons_equal_the_number_of_protons._If_an_atom_loses_electrons_then_the_atom_has_more_protons_(+)_and_the_resulting_overall_charge_will_be_positive_(+)

Question 9 (of 27)

 


Atomic Structure Answers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Atom_A_&_Atom_C_(both_have_8_protons)

Question 10 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 11 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 12 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 13 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 14 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 15 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 16 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 17 (of 27)

 


Atomic Structure Answers: QR Challenge

https://www.classtools.net/QR/decode.php?text=48

Question 18 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 19 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 20 (of 27)

 


Atomic Structure Answers: QR Challenge

https://www.classtools.net/QR/decode.php?text=4_protons,_5_neutrons,_4_electrons

Question 21 (of 27)

 


Atomic Structure Answers: QR Challenge

https://www.classtools.net/QR/decode.php?text=True:_in_a_neutral_atom,_the_number_of_electrons_equal_the_number_of_protons._If_an_atom_gains_electrons_then_the_resulting_overall_charge_will_be_negative_(-).

Question 22 (of 27)

 


Atomic Structure Answers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Atom_A_&_Atom_B_(both_have_6_protons)

Question 23 (of 27)

 


Atomic Structure Answers: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_overall_charge_would_be_3-

Question 24 (of 27)

 


Atomic Structure Answers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Sodium_is_a_metal,_has_11_protons/electrons,_has_12_neutrons,_has_1_valence_electron._Bromine_is_a_non-metal,_has_35_protons/electrons,_has_45_neutrons,_has_7_valence_electrons.

Question 25 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 26 (of 27)

 


Atomic Structure Answers: QR Challenge

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

Question 27 (of 27)