Chemistry · d-Block Elements
Mercury is the only transition metal that is liquid at room temperature. This unique property is primarily due to its:
- 1Very high ionisation enthalpy and weak metallic bonding✓
- 2Low ionisation energy and strong metallic bonding
- 3High vapour pressure and low density
- 4Completely filled d-orbitals and high electronegativity
Correct answer
Very high ionisation enthalpy and weak metallic bonding
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