Amalgams are
Highly coloured alloys
Always solid
Alloys which contain mercury as one of the contents
Alloys which have great resistance to abrasion
Which of the following order is correct
Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of them is expected to have the highest third ionization enthalpy
Solder is an alloy of
The correct statement in respect of $d-$ block elements
Why first ionisation enthalpy of $\mathrm{Cr}$ is lower than that of $\mathrm{Zn}$ ?