What is the electronic difference between lanthanoids and actinoids? Why is europium (II) more stable than cerium (II).

Why is Pt(IV) more stable than Ni(IV).

Define lanthanoids. Give three differences between lanthanoids and actinoids.

What is the difference between the electronic configuration of lanthanoids and actinoids?

What is the relationship between (I) & (II)

(i)with reference to structural variability and chemical reactivity write the differences between lanthanoids and actinoids (ii) Name a member of the lanthanoid series which is well known to exhibit +4 oxidation state

(a) Give three points of difference between lanthanoids and actinoids. (b) Give reason and select on one atom/ion which will exhibit asked property: (i) Sc^(3+) or Cr^(3+) (exhibit diamagnetic behaviour) (ii) Cr or Cu (high melting and boiling point)

Why is 1^@ carbanion more stable than a 2 carbanion ?

In which compounds (II) is more basic than (I)

What is the basic difference between the terms electron gain enthalpy and electronegativity?

What is the basic difference between the terms electron gain enthalpy and electronegativity?