What are the advantages of periodic classification of elements?

To which block the element with outer electronic configuration 4s²3d¹⁰ belongs?

Give the general electronic configuration of
(i) Transition elements     (ii) Inner transition elements.

What is the name given to the s-block elements?

Name the group and period to which an element with Z = 15 belongs ?

Why are there 10 elements in each series of d-block?

Anything that influences the valence electrons will effect the chemistry of the element. Which one of the following factors does not affect the valence shell?
(a) Valence principal quantum number (n)
(b) Nuclear charge (Z)
(c) Nuclear mass
(d) Number of core electrons.

In terms of electronic configuration,
what is common in a given period and group?

In the modern periodic table, the period indicates the value of:
(a) atomic number
(b) atomic mass
(c) principal quantum number
(d) azimuthal quantum number.

Which of the following statements related to the modern periodic table is incorrect?
(a) The p-block has 6 columns, because a maximum of 6 electrons can occupy all the orbitals in a p-shell.

(b) The d-block has 8 columns, because a maximum of 8 electrons can occupy all the orbitals in a d-subshell.

(c) Each block contains a number of columns equal to the number of electrons that can occupy that subshell.

(d) The block indicates value of azimuthal quantum number (l) for the last subshell that received electrons in building up the electronic configuration.