In group IVA or 14 of the extended form of the periodic...

In group IVA or 14 of the extended form of the periodic table with increase in atomic number, the metallic character:
(a) increases
(b) decreases
(c) remains the same
(d) first increases then decreases

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Key Concepts

Metallic Character

Metallic character is a property of elements that reflects their ability to lose electrons and form positive ions, as well as exhibiting typical metallic properties such as luster, malleability, and electrical conductivity. It is a measure of how 'metal-like' an element behaves, and it influences reactivity and bonding preferences.

Periodic Trends

Periodic trends refer to the general patterns observed in the properties of elements across the periodic table. These include changes in properties such as atomic radius, ionization energy, electronegativity, and metallic character. Understanding these trends helps predict an element's behavior based on its position in the periodic table.

Atomic Number and Down-Group Trends

Atomic number increases as one moves down a group in the periodic table, which usually results in an increase in metallic character. This is due to the addition of electron shells which increases atomic size and reduces the effective nuclear charge felt by the outer electrons, making them more readily lost in chemical reactions, thereby enhancing metallic characteristics.

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