ciaranjones7
Quiz by , created more than 1 year ago

A quiz on electronic configuration and sub-shells to test knowledge and improve what is known about the way elements electrons are distributed.

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ciaranjones7
Created by ciaranjones7 about 9 years ago
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Electronic Configuration

Question 1 of 12

1

The 4 main sub-shells are S, P, D and E?

Select one of the following:

  • True
  • False

Explanation

Question 2 of 12

1

Which sub-shell is the first to be filled with valence electrons?

Select one of the following:

  • 2p

  • 2s

  • 3d

  • 1s

Explanation

Question 3 of 12

1

How many orbitals does a d sub-shell have?

Select one of the following:

  • 2

  • 5

  • 3

  • 4

Explanation

Question 4 of 12

1

The p orbital first features in the 3rd energy level

Select one of the following:

  • True
  • False

Explanation

Question 5 of 12

1

No two quantum numbers are the same in an element.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 12

1

What is the electronic configuration of the atom, Oxygen?

Select one of the following:

  • 1s2 2s2 2p7

  • 1s2 2s2 2p1

  • 1s2 2s2 2p4

  • 2s1 2s2 3p4

Explanation

Question 7 of 12

1

What is the electronic configuration of the element chromium (Cr)?

Select one of the following:

  • 1s2 2s2 2p6 3s2 3p6 3d4 4s2

  • 1s2 2s2 2p6 3s2 3p6 3d5 4s1

  • 1s2 2s2 2p6 3s2 3p5 4s1 3d3

  • 2s2 1s2 3p6 3s2 2p6 4s1 3d5

Explanation

Question 8 of 12

1

You can never have a 3d4 or 3d8 sub-shell configuration.

Select one of the following:

  • True
  • False

Explanation

Question 9 of 12

1

What is the Hund's rule of Maximum Multiplicity (sitting on the bus rule)?

Select one of the following:

  • Cannot determine the position and the momentum of an electron at the same time.

  • No two electrons can have the same four quantum numbers.

  • When in orbitals of equal energy, electrons will try to remain unpaired.

  • Electrons enter at the lowest energy level.

Explanation

Question 10 of 12

1

Which sub-shell has the l quantum number 2?

Select one of the following:

  • S

  • P

  • D

  • F

Explanation

Question 11 of 12

1

What are the spin quantum numbers for and electron?

Select one of the following:

  • +1/2 and -1/2

  • +1 and -1

  • +1/3 and -1/3

  • +1/4 and -3/4

Explanation

Question 12 of 12

1

The 4s subshell fills before the 3d subshell.

Select one of the following:

  • True
  • False

Explanation

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