1.

How does the metallic character of elements change along a period of the periodic table from left to the right and why ?​

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Answer:

Metallic character DECREASES as you move across a period in the PERIODIC table from left to RIGHT. This occurs as atoms more readily accept electrons to fill a valence shell than LOSE them to remove the unfilled shell. Metallic character increases as you move down an element group in the periodic table.



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