Which occludes hydrogen
$Os$
$Pt$
$Ni$
All of these
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
Which of the following contain $'Sn'$ metal
Iron becomes passive by ..................... due to formation of .....................
Which of the following element has maximum density
Which of the following compounds is metallic and ferromagnetic ?