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16 November, 00:58

Which is the least metallic, Lead, mercury, americium, or francium?

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  1. 16 November, 01:21
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    Answer: Lead will be the least metallic of all the elements given.

    Explanation: Metallic character is defined as the tendency of the metals to loose electrons easily.

    The metallic character increases down the group and decreases across a period because the size of the elemnt increases down the group and decreases across a period.

    Lead belong to Group 14 and Period 6 of the periodic table.

    Mercury belongs to Group 12 and Period 6 of the periodic table.

    Americium belongs to Group 8 and Period 7 of the periodic table.

    Francium belongs to Group 1 and Period 7 of the periodic table.

    Order of metallic character:

    Francium > Americium > Mercury > Lead

    From the order above, the lead will have the least metallic character.
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