11th Class Chemistry Classification of Elements and Periodicity in Properties

  • question_answer 44) Which of the following statements related to the modem periodic table is incorrect? (a) The block indicates value of azimuthal quantum number \[(l)\] for the last subshell that received electrons in building up the electronic configuration. (b) Each block contains a number of columns equal to the number of electrons that can occupy that subshell. (c) The \[p\]-block has 6 columns, because a maximum of 6 electrons can occupy all the orbitals in a p-shell. (d) The \[d\]-block has 8 columns, because a maximum of 8 electrons can occupy all the orbitals in a d-subshell.

    Answer:

    (d) The correct statement should be that the \[d-\]block has 10 columns................

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