Which of the following is not correct statement for periodic classification of elements?
Chemistry · Class 11 · CBSE — Classification of Elements and Periodicity in Properties
Which of the following is not correct statement for periodic classification of elements?
- The properties of elements are the periodic functions of their atomic number.
- Non-metallic elements are less in number than metallic elements.
- The first ionisation energies of elements along a period do not vary in regular manner with increase in atomic number.
- For transition elements, the last electron enters into (n – 2) d-subshell.
Answer
(D) For transition elements, the last electron enters into ( n – 2) d -subshell.
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