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Which of the following set of elements is written in order of their increasing metallic character? - Be, Mg, Ca
- Na, Li, K
- Mg, Al, Si
- C, O, N
Correct answer: (a) Be, Mg, Ca
Explanation: Be, Mg, and Ca are elements of group 2, written in order of their increasing metallic character as on moving down in the group, the metallic character increases.
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