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HomeCXC CSEC ChemistryAtomic Structure: Protons, Neutrons and Electrons
CXC · CSEC · Chemistry

Atomic Structure: Protons, Neutrons and Electrons
Practice Questions

20 CXC CSEC Chemistry questions on Atomic Structure: Protons, Neutrons and Electrons, 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 Atomic Structure: Protons, Neutrons and Electrons.

Try 2 sample questions on Atomic Structure: Protons, Neutrons and Electrons

Question 1 · 1 mark · Difficulty 1/3

Which sub-atomic particle has a relative mass of 1 and a relative charge of +1?

  1. Electron
  2. Proton
  3. Neutron
  4. Ion
Show answer & explanation
✓ Answer: BProton
Award 1 mark for identifying the proton as the particle with relative mass 1 and charge +1. A is incorrect — electrons have negligible mass (1/1840) and charge −1. C is incorrect — neutrons have relative mass 1 but no charge. D is incorrect — an ion is not a sub-atomic particle.
Question 2 · 1 mark · Difficulty 1/3

A chemistry teacher in Jamaica shows students a diagram of atomic structure. Which statement correctly describes the relative positions of sub-atomic particles in an atom?

  1. Protons and electrons are in the nucleus; neutrons orbit outside
  2. Electrons and neutrons are in the nucleus; protons orbit outside
  3. Protons and neutrons are in the nucleus; electrons orbit outside
  4. All three particles are evenly distributed throughout the atom
Show answer & explanation
✓ Answer: CProtons and neutrons are in the nucleus; electrons orbit outside
Award 1 mark for correct answer. The nucleus is dense and central, containing protons and neutrons. Electrons occupy shells at various energy levels around the nucleus. A and B incorrectly place electrons or protons outside the nucleus. D is incorrect — the atom has distinct regions.
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20 questions · 25 min · free

CXC CSEC Chemistry: Atomic Structure: Protons, Neutrons and Electrons FAQ

How many CXC CSEC Chemistry questions on Atomic Structure: Protons, Neutrons and Electrons are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Atomic Structure: Protons, Neutrons and Electrons for CXC CSEC Chemistry, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CXC paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CXC CSEC 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 Atomic Structure: Protons, Neutrons and Electrons practice with other Chemistry topics or even switch to a totally different CXC 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 Atomic Structure: Protons, Neutrons and Electrons questions aligned to the official CXC CSEC Chemistry syllabus?
Every question is written against the published CXC CSEC 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 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.
How is Atomic Structure: Protons, Neutrons and Electrons typically tested on CXC CSEC Chemistry papers?
Atomic Structure: Protons, Neutrons and Electrons appears across multiple question types on real CXC CSEC 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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