Maharashtra BoardEnglish MediumSTD 8ScienceInside the Atom2 Marks
Question
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Answer
1. There are 12 neutrons in the sodium (2311Na). (N = A – Z) 23 – 11 = 12 2. Atomic mass number of 146C is 14. 3. There are 17 protons in chlorine (1737Cl)
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