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CXC · CSEC · Chemistry

The Periodic Table
Practice Questions

20 CXC CSEC Chemistry questions on The Periodic Table, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on The Periodic Table

Question 1 · 1 mark · Difficulty 1/3

In the Periodic Table, elements are arranged in order of increasing:

  1. number of neutrons
  2. relative atomic mass
  3. atomic number
  4. number of electron shells
Show answer & explanation
✓ Answer: Catomic number
Elements in the modern Periodic Table are arranged in order of increasing atomic number (number of protons). Relative atomic mass was used by Mendeleev but caused inconsistencies, so atomic number replaced it. The number of neutrons and electron shells are not the basis for arrangement.
Question 2 · 1 mark · Difficulty 1/3

Which of the following elements is classified as a noble gas?

  1. Argon (Ar)
  2. Oxygen (O)
  3. Nitrogen (N)
  4. Chlorine (Cl)
Show answer & explanation
✓ Answer: AArgon (Ar)
Argon (Ar) is in Group 0 (Group 18) and is a noble gas with a full outer electron shell, making it chemically unreactive. Nitrogen, chlorine, and oxygen are non-metals that do react chemically to form compounds — they are not noble gases.
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20 questions · 25 min · free

CXC CSEC Chemistry: The Periodic Table FAQ

How many CXC CSEC Chemistry questions on The Periodic Table are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on The Periodic Table 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 The Periodic Table 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 The Periodic Table 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 The Periodic Table typically tested on CXC CSEC Chemistry papers?
The Periodic Table 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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