1.

Mercury is a liquid metal because

Answer»

It has a completely FILLED d- orbital that prevents d-d overlapping of ORBITALS
It has a completely filled d- orbital that causes d-d overlappping
It has a completelyfilled s- orbital
It has a small ATOMIC size

Solution :Mercury is a SILVERY white heavy liquid (sp. Gravity 13.6). It has a completely filled d orbital that prevents d-d overlapping of orbitals.


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