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ZIMSEC A-Level Chemistry

6.1.2.1Sub-atomic particles

Sub-atomic particles in ZIMSEC A-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives

What the syllabus expects you to be able to do.

  1. 6.1.2.1.1Describe the behaviour of sub-atomic particles (and ions) in an electric field.

Lessons

  • The nuclear atom, sub-atomic particles and isotopes

    30 min

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Sample question

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

Sub-atomic particles: sample question

1 mark

How many protons, neutrons and electrons are there in one X3479X234279SeX2−\ce{^{79}_{34}Se^2-} ion?

Choose one answer

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