True and False Statements Dobereiner could identify only three triads of elements. These are: \(...

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True and False Statements
Dobereiner could identify only three triads of elements.
These are: \( \mathrm{Li}, \mathrm{Na}, \mathrm{K} \); \( \mathrm{Ca}, \mathrm{Sr}, \mathrm{Ba} \) and \( \mathrm{Cl}, \mathrm{Br}, \mathrm{I} \).
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