IGCSE O Level Chemistry MCQs – Practice Test 7 (Chapter 14)
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Study IGCSE O Level Chemistry App (iOS & Android) with MCQ: "If the number of electrons in chlorine is 17, number of shells required will be"; with answers: 3, 2, 4, and 5. Study Chemical & Ionic Equations Quiz Questions, download Google Book (Free Chapter) for chemistry virtual educational continuity.
MCQ 31: If the number of electrons in chlorine is 17, number of shells required will be:
MCQ 32: If the nucleon and proton number of manganese is 24 and 12 respectively, the number of electrons and protons will be:
MCQ 33: Mass of an electron is:
MCQ 34: Mass of a proton is equal to that of the mass of a/an:
MCQ 35: Subtracting proton number from nucleon number,:
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