The statement that is not correct for periodic classification of elements is *
• The first ionisation enthalpies of elements generally increase with increase in atomic number as we go along a period
• For transition elements, the 3d-orbitals are filled with electrons after 3p orbitals and before 4s orbitals
• The properties of elements are periodic function of their atomic numbers
• Non metallic elements are less in number than metallic elements
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non metallic elements are less in number than metallic elements
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