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Classification Of Elements And Periodicity In Properties Questions
15 Practice QuestionsStart Practicing Now
- [Easy]Which element shows anomalous electron configuration due to stability of half-filled d-subshell?...
- [Easy]Correct decreasing order of electronegativity (Pauling) among: N, O, F, C?...
- [Hard]A large jump between 2nd and 3rd ionization energies suggests element has how many valence electrons?...
- [Easy]Which order correctly represents increasing atomic radius (period 2 elements)?...
- [Medium]Which subshell provides poorest shielding?...
- [Easy]Acidic character of period 3 oxides increases in which direction?...
- [Medium]Which statement is correct regarding ionic vs atomic radius?...
- [Medium]Which order shows increasing metallic character: B, C, N, O?...
- [Medium]Effective nuclear charge (Zeff) generally:...
- [Medium]Diagonal relationship observed between Li and Mg due to:...
- [Hard]In isoelectronic series O2−, F−, Na+, Mg2+, Al3+ ionic radius order (largest to smallest):...
- [Medium]Lanthanide contraction chiefly causes which pair of 4d/5d elements to have similar radii?...
- [Easy]As electronegativity increases across a period, metallic character generally:...
- [Hard]First ionization energy order (highest to lowest):...
- [Medium]Which element has the most exothermic (most negative) electron affinity?...