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CXC CAPE · · Chemistry

Electronic configuration and periodicity
Practice Questions

40 CXC CAPE Chemistry questions on Electronic configuration and periodicity, each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for Electronic configuration and periodicity.

Try 2 sample questions on Electronic configuration and periodicity

Question 1 · 1 mark · Difficulty 1/3

How many electrons can an s sub-shell hold?

  1. 2
  2. 6
  3. 10
  4. 8
Show answer & explanation
✓ Answer: A — 2
Award 1 mark. An s sub-shell has one orbital, and each orbital holds at most two electrons with opposite spins. A p sub-shell holds 6 and a d sub-shell 10.
Question 2 · 1 mark · Difficulty 1/3

How does first ionisation energy change down Group 1?

  1. It increases
  2. It decreases
  3. It stays the same
  4. It rises and then falls
Show answer & explanation
✓ Answer: B — It decreases
Award 1 mark. Down the group the outer electron is in a shell further from the nucleus and more shielded, so less energy is needed to remove it.
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20 questions · 25 min · free

CXC CAPE Chemistry: Electronic configuration and periodicity FAQ

Is Kramizo free for CXC CAPE students preparing for Chemistry?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Electronic configuration and periodicity practice with other Chemistry topics or even switch to a totally different CXC CAPE subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Electronic configuration and periodicity questions aligned to the official CXC CAPE Chemistry syllabus?
Every question is written against the published CXC CAPE Chemistry specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CXC CAPE paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CXC CAPE.
How is Electronic configuration and periodicity typically tested on CXC CAPE Chemistry papers?
Electronic configuration and periodicity appears across multiple question types on real CXC CAPE Chemistry papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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