D-Block and F-Block Elements Quiz

K2Cr2O7 = Important compound with uses in oxidation-reduction reactions KMnO4 = Important compound with uses as an oxidizing agent Iron = Transition element with significant historical importance Th, Pa, U = Inner transition elements proving excellent sources of nuclear energy

Transition elements = d orbitals Inner transition elements = f orbitals d-block elements = Progressively filled d orbitals f-block elements = Progressively filled 4f and 5f orbitals

Iron, copper, silver, gold = Transition elements in groups 3-12 Th, Pa, U = Inner transition elements d-block elements = Elements of groups 3-12 with progressively filled d orbitals f-block elements = Elements with progressively filled 4f and 5f orbitals

<p>Iron, copper, silver, gold = Transition elements that have played important roles in human civilisation Th, Pa, U = Inner transition elements proving excellent sources of nuclear energy d-block elements = Contains elements of groups 3-12 with progressively filled d orbitals f-block elements = Consists of elements with progressively filled 4f and 5f orbitals</p> Signup and view all the answers

<p>General characteristics of d-block elements = Horizontal and group trends Properties of f-block elements = Comparative account of lanthanoids and actinoids Lanthanoids and actinoids = Electronic configurations, oxidation states, and chemical behaviour Transition and inner transition elements = Relative stability of various oxidation states in terms of electrode potential values</p> Signup and view all the answers

<p>The d-block elements are placed in groups 3-12 of the periodic table, while the f-block elements are placed separately at the bottom of the periodic table.</p> Signup and view all the answers

<p>The transition (d-block) elements have electrons filling the d orbitals, while the inner transition (f-block) elements have electrons filling the f orbitals.</p> Signup and view all the answers

<p>The relative stability of various oxidation states can be appreciated in terms of electrode potential values, which provide insight into the tendency of elements to gain or lose electrons.</p> Signup and view all the answers

<p>The d– and f–block elements exhibit general characteristics such as variable oxidation states, formation of colored compounds, and catalytic activity. They show general horizontal and group trends in terms of atomic and ionic sizes, ionization enthalpy, and electronegativity.</p> Signup and view all the answers

<p>The lanthanoids and actinoids exhibit similarities in their electronic configurations and chemical behavior. However, the actinoids show a greater range of oxidation states and have more unstable behavior compared to the lanthanoids.</p> Signup and view all the answers