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Which of the following set of elements is written in order of their increasing metallic character?
ANa Li K
BMg Al Si
CC O N
DBe Mg Ca
Answer & Solution
Correct answer: D. Be Mg Ca
This Periodic Classification of Elements item tests a core Chemistry concept.
Correct answer: Be Mg Ca.
_Source: NCERT Exemplar Science Class 10 (NCERT)_
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