Physics
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Energy and Matter
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Why does a...
3 years ago
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1 Reply
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1503 views
Helmer Ankunding
1 Answer
GCSE / National 5 Maths, Edexcel, AQA, SQA. Qualified Head of Maths
3 reviews
An Alpha particle contains 2 protons (positively charged) and 2 neutrons (which have no charge)
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