Ionic solids , which have anionic vacancies due to metal excess defect , develop colour .
Explain with the help of a suitable example .

Explain ionic bond with suitable example.

Explain the formation of Ionic Bond with a suitable example.

Explain the physical properties of metals with suitable examples.

Discuss the colour of the transition metal compounds with suitable examples.

Explain the following with suitable examples : Ionic hydrides

How does Hund’s rule help in writing electronic configuration of an atom? Explain with a suitable example.

Crystal defects give some important properties to solids. The defects are due to either metal excess of metal defficiency of doping Colour Causing F-Center is created when ----

(A) Zinc oxide is yellow coloured when hot (R) Zinc oxide has metal excess defect due to anionic vacancies

Allotropy is a property shown by which class of substances:elements, compounds or mixtures? Explain allotropy with suitable examples.

Due to Frenkel defect, the density of the ionic solids