OCR A 2.1.1 Atomic Structure and Isotopes REVISION
Allery Chemistry
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OCR A 2.1.1 Atomic Structure and Isotopes REVISION
252 557 просмотров · 9 лет назад
Allery Chemistry
157 тыс. подписчиков
252 557 просмотров · 9 лет назад
Complete revision for OCR A A Level Chemistry. To buy the PowerPoint used in this video please visit my tes shop - https://www.tes.com/teaching-resource...