IIT JEE : Chemical Families Periodic Properties QUESTIONS AND ANSWERS :: part2 : 21 to 25
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
21.The Electronegativity of the following elements increases in the order |
| C, N, Si, P |
| N, Si, C, P |
| Si, P, C, N |
| P, Si, N, C. |
22.Electronegativity is given by |
| Average of first and second ionization energies |
| Average of first and second electron affinities |
| Average of ionization energy and electron affinity |
| None of these. |
23.Rules for determining the effective nuclear charge have been proposed by |
| Lewis |
| Fajans |
| Slater |
| Pauling. |
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