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  • Periodic Classification
  • Identify the Dobereiner's triad.
Multiple choice

Identify the Dobereiner's triad.

  1. Ca, Sr, Be

  2. F, Br, At

  3. Na, Li, Mg

  4. Cl, Br, I

  5. Li, Na, Cs

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Dobereiner's third triad is Cl, Br and I.

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