Mercury is the only metal which is liquid at ${0\,^o}C$. This is due to its
Very high ionisation energy and weak metallic bond
Low ionisation potential
High atomic weight
High vapour pressure
In which pair of ions both are diamagnetic in nature?
Zinc forms two important alloys, $(i)$ Brass and $ (ii) $ German silver. Metals present in them mainly are
Which of the following is not a characteristic of transition element
In the following transition elements, the lowest $M.P.$ and $B.P.$ is exhibited by
The metal that shows highest and maximum number of oxidation state is: