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ZIMSEC A-Level Chemistry

6.1.2.2Electronic configurations

Electronic configurations in ZIMSEC A-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic23 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 6.1.2.2.1Describe the electronic configuration of elements in terms of s, p and d orbitals for principal quantum numbers 1, 2 and 3.
  2. 6.1.2.2.2Describe the shapes of s and p orbitals.

Lessons

  • Shells, sub-shells, orbitals and electron configurations

    35 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Electronic configurations: sample question

1 mark

What is the electron configuration of the MnX2+\ce{Mn^2+} ion? (Mn, proton number 25)

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