In Lothar Meyer's plot, the position at the peaks are occupied by:
A
alkali metals
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B
alkaline earth metals
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C
halogens
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D
noble gases
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Solution
The correct option is C alkali metals Lothar Meyer plotted the graph between atomic weight as abscissa and atomic volume as ordinates. The curve obtained represents a series of maxima and minima. Here, the peaks are occupied by the most electropositive elements or alkali metals.