Learning objective

Calculate the electronic configuration for elements and their ions with proton numbers ranging from 1 to 20, such as 2,8,3.

Read the explanation, check the common trap, then practise with flashcards and questions.

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Exam focus

Read the explanation.
Check key terms.
Practise with linked questions.

Cambridge IGCSE ChemistryAtoms, elements and compoundsCore content

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Quick explanation

Calculate the electronic configuration for elements and their ions with proton numbers ranging from 1 to 20, such as 2,8,3

This point belongs to Atomic structure and the Periodic Table, especially Atomic structure and the Periodic Table outcomes.
You need to be able to calculate the electronic configuration for elements and their ions with proton numbers ranging from 1 to 20, such as 2,8,3.
The key ideas to know are Determine.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Determine

Why it matters

This objective helps connect Atomic structure and the Periodic Table outcomes to exam-style questions, flashcards, and revision notes for Atomic structure and the Periodic Table.

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