Массы каких атомов отличаются на 1,66·10⁻²³ г? 1 а.е.м. = 1,66·10⁻²⁷ кг.

  1. Sc; Mn
  2. B; C
  3. K; Ca
  4. Al; Si

📝 Detailed explanation

Разница масс в а.е.м.: 1,66·10⁻²³ г / 1,66·10⁻²⁴ г/а.е.м. = 10. Sc (45) и Mn (55): 55 − 45 = 10.
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