Question

metallic character goes on decreasing while goinh left to right

Answer 1

Metallic character decreases as you move across the periodic table fromleft to right. This occurs as atoms more readily accept electrons to fill a valence shell than lose them to remove the unfilled shell. Metallic characterincreases as you move down the periodic table.

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Answer 2

As we move from left to right in a period of a periodic table , the nuclear charge (positive charge on nucleus) increases due to gradual increase in the number of protons.

due to Tue increase in nuclear charge , the valence electrons are pulled in more strongly by the nucleus and it becomes more and more difficult for the atoms to lose electrons . Thus , on moving from left to right in a period , the tendency of atoms to lose electrons decreases .