Chapter 3: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 3
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MCQ 1: Chloride ion has number of protons
MCQ 2: Smaller particles in an atom are called
MCQ 3: Chemical symbol represents
MCQ 4: The number of protons in a 'carbon' atom is
MCQ 5: A modern model of an atom shows that electrons are present outside nucleus in the region of high
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