Question

metallic character of elements decreases from left to right in a period while it increases in moving down a group. give reason​

Answer 1

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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Answer 2

Answer:

Explanation:

Metallic character decreases as you move across a period in the periodic table from left to right, this is because the Effective Nuclear charge increases when we move from left to right. This happens since the atoms in a period 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, this happens because the Effective nuclear charge decreases and size increases and the ionisation enthalpy decreases, which help in the formation of compounds faster, since metals react very fastly.