1. By what are isotopes identified? A. mass numbers B. atomic masses C. atomic mass units D. average atomic masses

And

2. Uranium atoms each have 92 protons. How many protons does each U-238 atom have? A. 92 B. 146 C. 238 D. 330

And

3. Chlorine atoms each have 17 protons. How many neutrons does each Cl-37 atom have? A. 17 B. 20 C. 37 D. 54

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Isla Simon

16 April, 15:38

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Lee Baldwin · Answer 1

Uranium atoms each have 92 protons, how many protons does it each u-238 atom have? the answer is (b) 146