White silver surface turns black when $O_3$ is passed over it. This is due to the formation of
silver hydroxide
freshly reduced silver which is black in colour
silver oxide
a complex compound of silver and ozone
The magnetic moment of a transition metal compound has been calculated to be $3.87$ $B.M.$ The metal ion is
Write a note on interstitial compounds.
Triple degenerate $d-$ orbitals are exactly half-filled in
Manganese steel is used for making railway tracks because
Technetium, the element below manganese in the Periodic Table, would be expected to have high values for its
$(I)$ melting point $(II)$ boiling point $(III)$ density