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IAL Chemistry (Hong Kong) Topic 2: H. Factors influencing the ionisation energies of elements (Winter Sir ChemChemDay) View |
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IAL Chemistry (Hong Kong) Topic 2: G Evidence of subshells (Winter Sir ChemChemDay) View |
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Group 2 chemistry Lec 46 AS Chemistry Crash Course (Pearson and HKDSE) View |
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