Arrange the following elements in order of their decreasing metallic character.
Na, Si, Cl, Mg, Al
a) Cl > Si > Al > Mg > Na b) Na > Mg > Al > Si > Cl
c) Na > Al > Mg > Cl > Si d) Al > Na > Si > Ca > Mg
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Answer:
: Option (b) is the correct answer.
Explanation:
Therefore, the given elements Na, Si, Cl, Mg, Al all belongs to third period. Hence, they are arranged in the order of their decreasing metallic character as follows.
Na > Mg > Al > Si > Cl.
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