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Neco 2018 Chemistry Theory & Objectives Answers – May/June Expo

Neco 2018 Chemistry Theory & Objectives Answers – May/June Expo

CHEMISTRY OBJ: 1-10: DADBCADBCA 11-20: DCDBDBEDDC 21-30: CBDEDBAAEA 31-40: ECCADAEDEB 41-50: EAADDACBBC 51-60: ADDDBACBEB ================= ================= 1a ) I . isotopy is a phenomenon whereby an atom of an element excite different mass number but have the same atomic...
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