MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your UPSEE knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Shielding effect across period |
| A. | increases |
| B. | decreases |
| C. | becomes equal to above periods |
| D. | remains same |
| Answer» E. | |
| 2. |
Horizontal rows of periodic table are called |
| A. | rows |
| B. | periods |
| C. | columns |
| D. | none of above |
| Answer» C. columns | |
| 3. |
Average distance between nucleus and outer shell is called |
| A. | atomic size |
| B. | nuclear size |
| C. | shielding effect |
| D. | none of above |
| Answer» B. nuclear size | |
| 4. |
Ability of atom to attract electrons towards itself is calleda |
| A. | electron affinity |
| B. | electronegativity |
| C. | ionization energy |
| D. | shielding effect |
| Answer» C. ionization energy | |
| 5. |
Period number of element indicates n |
| A. | value of all shells |
| B. | value of valence shell |
| C. | value of 1st shell |
| D. | none of above |
| Answer» C. value of 1st shell | |
| 6. |
Group A elements are called |
| A. | metals |
| B. | alkali metals |
| C. | representative elements |
| D. | transition elements |
| Answer» D. transition elements | |
| 7. |
As we go from top to bottom in a group shielding effect |
| A. | doesnt change |
| B. | decreases |
| C. | increases |
| D. | none of above |
| Answer» D. none of above | |
| 8. |
Energy required to remove an electron from outermost shell is called |
| A. | potential energy |
| B. | kinetic energy |
| C. | mechanical energy |
| D. | ionization energy |
| Answer» E. | |
| 9. |
Nobel gases are present in |
| A. | VIIA group |
| B. | VIA group |
| C. | VA group |
| D. | VIIIA group |
| Answer» E. | |
| 10. |
Chemical properties depends upon |
| A. | electronic configuration |
| B. | valence shell electronic configuration |
| C. | atomic mass |
| D. | none of above |
| Answer» C. atomic mass | |
| 11. |
First three periods are |
| A. | long periods |
| B. | short periods |
| C. | moderate periods |
| D. | none of above |
| Answer» C. moderate periods | |
| 12. |
Across period atomic size decreases due to |
| A. | shielding effect |
| B. | photoelectric effect |
| C. | increase in nuclear force of attraction |
| D. | decrease in nuclear force of attraction |
| Answer» D. decrease in nuclear force of attraction | |
| 13. |
In periodic table, helium is placed at |
| A. | top left corner |
| B. | bottom right corner |
| C. | bottom left corner |
| D. | top right corner |
| Answer» E. | |
| 14. |
Both of elements of 1st period contains valence electrons in |
| A. | M shell |
| B. | N shell |
| C. | K shell |
| D. | S shell |
| Answer» D. S shell | |