Atomic Structure and the Periodic Table — JAMB Chemistry Past Questions

Atomic Structure and the Periodic Table is one topic inside the JAMB Chemistry syllabus, and drilling it on its own is usually faster than revising the whole subject again. Below: which JAMB years have examined it, then real Atomic Structure and the Periodic Table questions with worked answers.

When JAMB examined Atomic Structure and the Periodic Table

Atomic Structure and the Periodic Table questions appear in our bank for the JAMB years below. This is taken from the questions themselves, not from a syllabus outline — so if a year is listed, this topic was genuinely examined that year.

A topic that keeps reappearing is a topic JAMB keeps testing. Newer years matter most, because question style drifts.

Try Atomic Structure and the Periodic Table questions

Real Chemistry questions tagged to Atomic Structure and the Periodic Table. The first is worked through completely so you can see how our explanations read — the rest you can attempt now and check inside the app.

Chemistry · Atomic Structure and the Periodic Table Sample 1 of 3

The number of d-electrons in Fe²⁺ (Z = 26) is equal to that of:

  • A p-electrons in Ne (Z = 10)
  • B s-electrons in Mg (Z = 12)
  • C d-electrons in Fe (Z = 26)
  • D p-electrons in Cl (Z = 17)

Answer: C

Fe²⁺ has lost two electrons from its 4s orbital, leaving 6 d-electrons. Mg²⁺ has no d-electrons, Zn has 10, and Cu has 9. Mn (Z = 25) has 5 d-electrons in its neutral state, and 6 in its +2 state — matching Fe²⁺.

Chemistry · Atomic Structure and the Periodic Table Sample 2 of 3

How many atoms are present in 6.0g of magnesium? [Mg = 24, Nₐ = 6.02 × 10²³ mol⁻¹]

  • A 2.41 × 10²³
  • B 1.51 × 10²³
  • C 3.02 × 10²³
  • D 1.00 × 10²³

Answer and full explanation are inside the app.

Check the answer
Chemistry · Atomic Structure and the Periodic Table Sample 3 of 3

Beryllium and Aluminium have similar properties because they:

  • A Belong to the same period
  • B Are both metals
  • C Belong to the same group
  • D Are positioned diagonally to each other

Answer and full explanation are inside the app.

Check the answer

Drill Atomic Structure and the Periodic Table until it stops costing you marks

Filter Chemistry practice to Atomic Structure and the Periodic Table alone, work through it with worked explanations, and let the analytics show you when it has actually stuck. Free to start.

Atomic Structure and the Periodic Table in JAMB Chemistry: common questions

Are Atomic Structure and the Periodic Table questions free?

Yes. Create a free account and every Chemistry question tagged to Atomic Structure and the Periodic Table is available with a worked explanation. Past questions are not paywalled.

Is Atomic Structure and the Periodic Table really examined?

Yes. Atomic Structure and the Periodic Table appears in our bank across 8 JAMB years, taken from the questions themselves rather than a syllabus outline.

Can I practise Atomic Structure and the Periodic Table on its own?

Yes. JambUp lets you filter Chemistry questions to a single topic, so you can drill Atomic Structure and the Periodic Table until it stops costing you marks, then move on to the next weak area.