Chemistry · Periodic Classification of Elements

Which of the following sets of three elements does NOT constitute a Dobereiner's triad?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Cl, Br, I
2Li, Na, K
3Ca, Sr, Ba
4Fe, Co, Ni✓

Correct answer

Fe, Co, Ni

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Which of the following sets of three elements does NOT constitute a Dobereiner's triad?

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Which of the following sets of three elements does NOT constitute a Dobereiner's triad?

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