Why transition metals have strong metallic bonding?
Correct answer: D. Both s and d electrons takes part in bonding
- A. Because of high melting point
- B. Because d-electrons of outer shell take part in bonding
- C. Because s-electrons of outer shell take part in bonding
- D. Both s and d electrons takes part in bonding
Explanation
The toughness of these metals indicates strong metallic binding. This is because, apart from s-electrons of the outermost shell, the electrons of underlying half-filled d-orbitals also participate in binding. So, both take part.
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About Periodic Properties and Trends
Periodic properties arise from electron configuration and effective nuclear charge, producing trends in atomic and ionic radius, ionization energy, electron affinity, electronegativity, metallic character and reactivity. Comparisons run across periods and down groups, with attention to common exceptions. The topic also relates these trends to the behavior of s-block and p-block elements.
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