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  • Which of the following is a characteristic of the anomalous diagonal relationship of boron and silicon?Option: 1 Both elements ha

Which of the following is a characteristic of the anomalous diagonal relationship of boron and silicon?

Option: 1

Both elements have a high melting point


Option: 2

Both elements have a low electronegativity


Option: 3

Both elements form covalent compounds

 


Option: 4

Both elements have a small atomic size


Answers (1)

best_answer

The anomalous diagonal relationship between boron and silicon is due to their similar atomic radii despite being in different periods of the periodic table. Boron has a smaller atomic radius than expected due to its high nuclear charge and lack of inner-shell electrons, while silicon has a larger atomic radius than expected due to its lower nuclear charge and increased screening effect from its inner-shell electrons. This similarity in atomic radii leads to similar chemical and physical properties, including the ability to form covalent compounds, high melting and boiling points, and low electronegativity.

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manish painkra

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