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- #National Eligilibility Cum Entrance Test
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Why mercury is a liquid?
Option: 1
Because of large size
Option: 2
Because of filled d orbitals
Option: 3
Because of high ionization enthalpy
Option: 4
Because of the well-shielded s-electrons
Answers (1)
6s valence electrons of Mercury are more closely pulled by the nucleus (lanthanide contraction), such that outer s-electrons are less involved in metallic bonding.
Hence option 4 is correct.
View full answer
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