Question

how would metallic character vary in periods and groups

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.

Answer 2

The metallic character increases as we move down the group and decreases as we move down a period.

Explanation:

• Metallic properties describe the set of chemical properties that are associated with elements classified as metals in the periodic table.
• Metallic properties depend on the ability of an element to lose its external valence electrons.
• The metallic character of an element can be easily measured by removing its valence electrons.
• This valency depends on

i) the effective nuclear charge (ENC) of the electron and

ii) the distance from the nucleus.

• Metals are lustrous, malleable, ductile, good conductors of heat and electricity.
• Metallic behavior is described in terms of the chemical properties of the elements of the metal.
• All these symptoms are based on one fact.
• That fact is the relative ease of metals losing electrons or getting oxidised.
• The trends can be explained through chemistry.