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Questions
Right or wrong sentence.
In Dobreiner’s triads, three elements appear to be arranged in ascending order of their atomic number.
Right or wrong sentence.
In Dobreiner’s triangles, three elements appear to be arranged in ascending order of their atoms.
Options
Right
Wrong
MCQ
True or False
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Solution
The given sentence is wrong.
Explanation:
In Dobreiner’s triads, group three elements with similar properties are arranged in increasing order of atomic mass; the middle element’s atomic mass is approximately the average of the other two.
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