5.1.1.7 Electronic structure Quiz: AQA Combined Science, Unit 8

The 20 questions

1. Where do electrons in an atom primarily occupy?

   • Random spaces
   • Highest energy levels
   • Lowest energy levels
   • The nucleus

2. The electronic structure of sodium is:

   • 8,2,1
   • 2,1,8
   • 2,8,8
   • 2,8,1

3. Which energy level is closest to the atomic nucleus?

   • Third shell
   • Valence shell
   • Outermost shell
   • Innermost shell

4. In the electronic structure of sodium, how many electrons are in the second energy level?

   • 1
   • 18
   • 8
   • 2

5. The third energy level of sodium contains how many electrons?

   • 2
   • 1
   • 8
   • 11

6. What term is used interchangeably with energy level in atomic structure?

   • Cloud
   • Shell
   • Orbital
   • Zone

7. Which is an acceptable way to represent electronic structure?

   • Words only
   • Roman numerals
   • Fractions
   • Numbers like 2,8,1

8. Neon's electronic structure is:

   • 8,2
   • 2,6
   • 2,8,8
   • 2,8

9. An atom has electronic structure 2,8,7. What is its atomic number?

   • 7
   • 17
   • 9
   • 15

10. An element has atomic number 13. What is its electronic structure?

    • 2,8,4
    • 2,8,3
    • 2,8,5
    • 2,8,2

11. Calcium has atomic number 20. What is its electronic structure?

    • 2,8,2
    • 2,8,8,1,1
    • 2,8,8,2
    • 2,8,10

12. An element has electronic structure 2,8,6. Which group is it in?

    • Group 4
    • Group 7
    • Group 2
    • Group 6

13. An atom has 12 electrons. What is its electronic structure?

    • 2,8,1,1
    • 2,8,2
    • 2,10
    • 2,9,1

14. An atom has 9 electrons. What is its electronic structure?

    • 2,9
    • 2,7
    • 2,6,1
    • 2,8,1

15. Sulfur has atomic number 16. What is its electronic structure?

    • 2,8,8
    • 2,8,6
    • 2,6,8
    • 2,8,7

16. Potassium has 19 electrons. What is its electronic structure?

    • 2,8,7,2
    • 2,8,10
    • 2,8,9
    • 2,8,8,1

17. An ion has 12 protons and 10 electrons. What is its charge?

    • 10+
    • 1+
    • 2+
    • 2-

18. What electronic structure does a sodium atom achieve when it loses its outer electron?

    • 2,8
    • 2,8,2
    • 2,8,1
    • 2,7

19. Which electronic structure belongs to an element with 33 electrons?

    • 2,8,13,10
    • 2,8,18,5
    • 2,8,23
    • 2,8,18,7

20. An element has electronic structure 2,8,18,7. How many electrons are in its outer shell?

    • 8
    • 18
    • 25
    • 7

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