Question
[...] electrons occupy the fourth energy level
Question
[...] electrons occupy the fourth energy level
Question
[...] electrons occupy the fourth energy level
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bithov - (no access) - AQA GCSE 9-1 Chemistry.pdf, p12
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status | not learned | | measured difficulty | 37% [default] | | last interval [days] | |
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repetition number in this series | 0 | | memorised on | | | scheduled repetition | |
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