Which of the following are d-block elements but not regarded as transition elements?
Zn, Cd, Hg
Zn, Cd, Hg are d-block elements but not regarded as transition elements because these do not have partially filled d-orbitals in their most common oxidation states.
The metallic oxide which impart purple colour to pottery is
The colour of 62Sm3+ is yellow. The expected colour of 66Dy3+ is
The actinoids showing +7 oxidation state are
The lanthanoids contraction relates to
A reduction in atomic size with increase in atomic number is a characteristic of elements of
The most convenient method to protect bottom of ship made of iron is
Railway wagon axles are made by heating rods of iron embedded in charcoal powder. The process is known as
F2 is formed by reacting K2MnF6 with
Which one of the following statements is correct?