The ratio between the neutrons in \( \mathrm{C} \) and \( \mathrm{S...

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The ratio between the neutrons in \( \mathrm{C} \) and \( \mathrm{Si} \) with
D respect to atomic masses 12 and 28 is

W
(A) \( 2: 3 \)
(B) \( 3: 2 \)
(C) \( 3: 7 \)
(D) \( 7: 3 \)
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