Welcome to the Quiz!

This quiz contains 18 questions from a mix of 1 subtopics.

What is the name given to a region of space around the nucleus of an atom that can occupy up to two electrons with opposite spins?

quantum shell

atomic orbital

quantum subshell

quantum energy level

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1

The d subshell can hold up to electrons in atomic orbitals. 

10
5

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2

In a neutral atom, which subshell is higher in energy - the 3d subshell or the 4s subshell?

3d

4s

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1

Select the correct electronic configuration of an atom of calcium.

1s2s2p3s3p4s2

1s2s2p3s2

1s2s2p3s3p6

1s2s2p3s3p3d2

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1

What is the correct electronic configuration of the bromide ion, Br?

1s2s2p3s3p3d10 4s4p3

1s2s2p3s3p3d10 4s2

1s2s2p3s3p3d10 4s4p6

1s2s2p3s3p3d10 4s4p3d3

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1

Complete the diagram to show how the electrons are arranged in an atom of beryllium. 

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2

The larger the principal number of a shell, the greater its .

quantum
energy

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2

Which subshells make up the second electron shell?

(Select all that apply).

s subshell

d subshell

p subshell

f subshell

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2

How many electrons can the p subshell hold?

2

6

8

10

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1

How many atomic orbitals does the s subshell contain?

1

2

3

4

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1

How many electrons can each atomic orbital hold?

2

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1

What is the correct electronic configuration a copper(II) ion, Cu2+?

[Ar]4s23d7

[Ar]4s13d10

[Ar]3d9

[Ar]4s13d8

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1

Select the correct electronic configuration of an atom of aluminium.

1s2s2p6

[Ne]

1s2s2p3s3p1

1s2s2p3s3

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1

Complete the diagram to show how the electrons are arranged in an atom of nitrogen.

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3

How many electrons does the sulfide ion, S3-, have in its 3p subshell?

0

3

4

6

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1

Select ALL of the true statements about the order of filling and order of emptying of the 3d and 4s subshells.

3d fills before 4s 

3d fills after 4s 

3d empties before 4s 

3d empties after 4s 

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2

Complete the shorthand electronic configuration for an atom of vanadium.

[Ar]3d 4s

2
3

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2

An is a region around the nucleus where there is a high probability of finding an .

orbital
electron

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2