В каком ряду элементы расположены в порядке возрастания их атомного радиуса?

  1. O → S → Se → Te
  2. Si → P → S → Cl
  3. Mg → Al → Si → P
  4. At → I → Br → Cl

📝 Detailed explanation

O → S → Se → Te — радиус растёт вниз по группе.
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