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WalesCombined ScienceQuick questions

Unit 2 Chemistry 1: Substances and atomic structure

Quick questions on Atomic structure and isotopes - WJEC GCSE Science Double Award (Unit 2)

2short 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 q1?
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State the relative charge and relative mass of an electron. [2 marks]
What is q2?
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How many neutrons are in an atom with mass number 23 and atomic number 11? [1 mark]

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