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WalesCombined ScienceQuick questions
Unit 2 Chemistry 1: Substances and atomic structure
Quick questions on Electronic structure - WJEC GCSE Science Double Award (Unit 2)
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is not checking the total?Show answer
The electrons in the shells must add up to the atomic number.
What is q1?Show answer
Write the electronic structure of oxygen (atomic number 8). [1 mark]
What is q2?Show answer
An atom has the structure 2,8,1. Which group is it in? [1 mark]
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