IIT JEE : Atomic Structure QUESTIONS AND ANSWERS :: part2 : 16 to 20
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
16.The spectra given by the transition of an electron from K level to N level is |
| ß–rays |
| continuous |
| absorption |
| emission |
17.The atomic mass of an element is 19. The second shell of its atom contains 7 electrons. The number of protons in its nucleus is |
| 13 |
| 9 |
| 11 |
| 8 |
18.The number of vacant orbitals in the atom of an element with Z = 14 is |
| 1 |
| 6 |
| 9 |
| 3 |
19.How many electrons in an atom can have n = 3, l = 2 and m = +2? |
| 10 |
| 8 |
| 6 |
| 2. |
20.Nucleons are |
| protons and electrons |
| electrons and mesons |
| protons, electrons and neutrons |
| protons and neutrons |
More Atomic Structure QUESTIONS AND ANSWERS available in next pages
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