What does atomic radius and ionic radius really mean to you?

The ionic radius of cation is always.

How do you explain the lower atomic radius of gallium as compared to aluminium?

a) What is meant by atomic radius? b) Explain covalent radius. c) Write down anothertwo types of terms expressed as atomic size.

The atomic radius increases as we move down a group because

Ionization enthalpy and atomic radius are closely related properties. Analyse the following graph: What conculation can you derive from the graph regarding the first ionization enthalpies of alkali metals and noble gases ? Justyfy.

Which of the following statements regarding basicity of lanthanide 3^+ ions is correct? 1)Basicity decreases with increase in ionic radius 2)Basicity decreases with decrease in ionic radius 3)More basic oxo-salt decomposes more readily that the less basic 'oxo-salt 4)More basic ion hydrolyse more readily