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QR Challenge: Chapter 17 Elements and Their Properties

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. What state of matter are most metals are at room temperature?solid
2. What is being able to be stretched and used as wire?ductile
3. What metals often occur uncombined in nature?transition elements
4. What is the group of elements has two electrons in its outer energy level?alkaline earth metals
5. Which group of elements contains synthetic elements?actinides
6. What is the only metal that is a liquid at room temperature?mercury
7. What metals are in the iron triad?Co, Fe, Ni
8. What is the ability of metals to reflect light?luster
9. What 3 elements are the coinage elements?Cu, Ag, Au
10. What are the elements in group 12 of the periodic table?Hg, Zn, Cd
11. What occurs when positively charged ions are surrounded by a cloud of electrons?metallic bonding
12. What forms diatomic covalent molecules in a gaseous state?halogens
13. What happens when hydrogen reacts with the active metals?gains 1 electron
14. Why is hydrogen is grouped with the alkali metals?has 1 electron in outer energy level
15. What is the only halogen and nonmetal that is a liquid at room temperature?bromine
16. Which 3 elements make up more than 90 percent of the human bodyO, C, H
17. How are hydrogen and the lithium atom similar?Each contain 1 electron in outer level
18. How is hydrogen different from the other elements in Group 1 of the periodic table?gaseous nonmetal
19. How does the conductivity of a metal differ from the conductivity of most nonmetals?metals are good conductors and nonmetals are not good conductors
20. What is an allotrope of carbon that is soft and can be used as a lubricant?graphite
21. What are different forms of the same element that have different properties because different atom arrangements?allotropes
22. What is an allotrope of carbon that is hard and is often used in jewelry?diamond
23. What are substances that conduct an electric current only under certain conditions?metalloids
24. What are elements with an atomic number greater than 92transuranium elements
25. What are some ways synthetic elements are useful?used in smoke detectors, nuclear medicine, energy sources
26. What are some ways synthetic elements are harmful?they are radioactive
27. Which groups on the periodic table are most reactive elements?Groups 1 & 17
28. Which groups on the periodic table are the least reactive elements?Group 18

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 1 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 2 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 3 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 4 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 5 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 6 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 7 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 8 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_3_elements_are_the_coinage_elements?

Question 9 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_elements_in_group_12_of_the_periodic_table?

Question 10 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 11 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 12 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 13 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 14 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 15 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_3_elements_make_up_more_than_90_percent_of_the_human_body

Question 16 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 17 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_is_hydrogen_different_from_the_other_elements_in_Group_1_of_the_periodic_table?

Question 18 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 19 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 20 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 21 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 22 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 23 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_elements_with_an_atomic_number_greater_than_92

Question 24 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 25 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 26 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 27 (of 28)

 


Chapter 17 Elements and Their Properties: QR Challenge

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

Question 28 (of 28)