Quiz  /  Hybrid Orbitals Class 10 MCQ Questions With Answers

  • 1. 
    How many electrons are in 1s2 2s2 2p4?

  • 5
  • 6
  • 8
  • 13

  • 2. 
    What is incorrect about this orbital diagram?

  • Both arrows in the 2p box should be pointing up
  • There is nothing incorrect with this diagram
  • There should only be 1 orbital in the first 2p box and one in the 2nd 2p box
  • All the arrows should be pointing up.

  • 3. 
    In an orbital diagram, an arrow represents:

  • an electron
  • an orbital
  • an element
  • All of above

  • 4. 
    Electrons fill energy levels and sublevels _____ in energy first.

  • lower
  • higher

  • 5. 
    Which of the following is NOT a possible pair of quantum numbers?

  • 2p
  • 2d
  • 4p
  • 4f

  • 6. 
    What is the noble gas configuration for Cobalt?

  • [Kr] 4s2 3d7
  • [Kr] 4s2 4d7
  • [Ar] 4s2 3d7
  • [Ar] 4s2 4d7

  • 7. 
    What is the electron configuration for F?

  • 1s2 2s2 3p5
  • 1s2 2s2 3d5
  • 1s2 2s2 2p5
  • 1s2 2p5

  • 8. 
    What does the 1 in "1s" stand for?

  • energy level
  • s orbitals
  • p orbitals
  • the number of electrons

  • 9. 
    Why is the 3rd energy able to fit more electrons?

  • Because 3 is a sacred number, just look at it!
  • Because the p-block that looks like it is part of the 3rd energy level is actually part of the 2nd energy level
  • Because the d-block that looks like it is part of the 4th energy level is actually part of the 3rd energy level
  • Because the third energy level has 7 s orbitals

  • 10. 
    This orbital diagram represents:

  • C
  • B
  • N
  • O

  • 11. 
    What is the noble gas configuration for 1s2 2s2 2p6 3s2?

  • [He] 3s2
  • [Ne] 3s2
  • [Ar] 3s2
  • [Ar] 4s2

  • 12. 
    1. What is the shape of an s orbital?

  • sphere
  • dumbbell
  • double dumbbell
  • TOO COMPLEX TO KNOW IT.

  • 13. 
    These orbitals are found in the transition metals.

  • s
  • p
  • d
  • f

  • 14. 
    The maximum number of electrons that can be placed in an d orbital.

  • 2
  • 6
  • 10
  • 14

  • 15. 
    The maximum number of electrons that can be placed in an p orbital.

  • 2
  • 6
  • 10
  • 14

  • 16. 
    What are the orbitals for n=4

  • s
  • s, p
  • s, p, d
  • s, p, d, f

  • 17. 
    What is the electron configuration for V?

  • [Ne] 4s2 4d3
  • [Ar] 4s2 4d3
  • [Ne]4s2 3d3
  • [Ar] 4s2 3d3

  • 18. 
    Which type of orbital is shaped like a sphere?

  • s orbital
  • p orbital
  • d orbital
  • f orbital

  • 19. 
    What element has the electron configuration 1s2 2s2 2p6 3s2 3p5?

  • Chlorine
  • Argon
  • Fluorine
  • Sulfur
  • Bromine

  • 20. 
    Maximum number of electrons that can be placed in an s orbital.

  • 2
  • 6
  • 10
  • 14

  • 21. 
    Spherical orbital, also the lowest energy orbital.

  • s
  • p
  • d
  • f

  • 22. 
    This orbital fill after the s, the shape is a dumbbell.

  • s
  • p
  • d
  • f

  • 23. 
    The maximum number of electrons that can be placed in an f orbital.

  • 2
  • 6
  • 10
  • 14

  • 24. 
    How many p orbitals are there in a sublevel?

  • 2
  • 1
  • 4
  • 3

  • 25. 
    What is the shape of a p orbital?

  • sphere
  • it's just too complex to thing about it
  • dumbbell
  • I don't know this stuff.
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