Class 7 Science MCQs – Certification Test 307

Science and Radioisotopes MCQ (Question 307) – App & e-Book Download

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MCQ 307: The isotope of uranium (Uranium-238) contains:

141 neutrons
142 neutrons
146 neutrons
149 neutrons

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Free Science And Radioisotopes Practice App – Download for Android & iOS

The App: Science and Radioisotopes MCQ App to Study Science and Radioisotopes Notes, 7th Grade Science MCQ App, and 8th Grade Science MCQ App for science virtual learning networks.

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