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On the basis of quantum numbers, justify that the sixth period of the periodic table should have 32 elements.
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 the value of azimuthal quantum number (l ) for the last subshell that received electrons in building up the electronic configuration.
What is the basic difference in approach between the Mendeleev’s Periodic Law and the Modern Periodic Law?
- Chemistry Textbook for Class 11 Part 1