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ZIMSEC O-Level Physics

15.1Atomic model

Atomic model in ZIMSEC O-Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic18 practice questions2 lessons

Overview

Form 4: description of an atomic model; isotopes (from the scope and sequence chart).

Learning objectives

What the syllabus expects you to be able to do.

  1. 15.1.1Describe a model of the atom.
  2. 15.1.2Explain what isotopes are.

Lessons

  • The nucleus and isotopes

    22 min

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  • The structure of the atom

    25 min

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Sample question

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

Atomic model: sample question

1 mark

An atom that gains an electron becomes a negative ion.

Is the statement true or false?

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