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SCIN131 Week 2 Lesson Quiz 2 $14.49   Add to cart
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SCIN131 Week 2 Lesson Quiz 2
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SCIN131 Week 2 Lesson Quiz 2 Week 2 Lesson Quiz Part 1 of 3 - 36.0/ 40.0 Points Question 1 of 25 4.0 / 4.0 Points To which family does krypton belong? • A. alkaline earth metals • B. alkali metals • C. halogens • D. noble gases • E. none of the above Feedback:Topic discussed in Chapter 3....

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  • May 20, 2022
  • 17
  • 2021/2022
  • Exam (elaborations)
  • Questions & answers

Subjects

  • an aluminum ion
  • an oxide ion
  • o2
  • scin131 week 2 lesson quiz 2
  • to which family does krypton belong
  • al3
  • has
  • has

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  • SCIN 131
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SCIN 131 WEEK 2 LESSON QUIZ 2


Week 2 Lesson Quiz

Part 1 of 3 - 36.0/ 40.0 Points

Question 1 of 25
4.0/ 4.0 Points
To which family does krypton belong?


 A. alkaline earth metals



 B. alkali metals



 C. halogens



 D. noble gases



 E. none of the above




Feedback:Topic discussed in Chapter 3.6

Question 2 of 25
4.0/ 4.0 Points
An aluminum ion, Al , has:
3+




 A. 13 protons and 13 electrons

,  B. 10 protons and 13 electrons



 C. 27 protons and 24 electrons



 D. 13 protons and 10 electrons



 E. 16 protons and 13 electrons




Feedback:Topic discussed in Chapter 2

Question 3 of 25
4.0/ 4.0 Points
An oxide ion, O , has:
2-




 A. 8 protons and 7 electrons



 B. 10 protons and 7 electrons



 C. 8 protons and 9 electrons



 D. 10 protons and 8 electrons

,  E. 8 protons and 10 electrons




Feedback:Topic discussed in Chapter 2

Question 4 of 25
4.0/ 4.0 Points
Who discovered the law of conservation of mass?


 A. John Dalton and Antoine Lavoisier



 B. John Dalton



 C. none of these.



 D. Albert Einstein



 E. Antoine Lavoisier




Feedback:Great! Topic discussed in Chapter 2.

Question 5 of 25
4.0/ 4.0 Points
In an atom of Ar-41, how many neutrons would there be?

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