NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1905 - 1911 of 2000
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Question number: 1905
» Chemistry » Structure of the Atom
Question
Which of the following has completed shell completed in electronic configuration?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Magnesium |
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| b. | Calcium- Ca |
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| c. |
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| d. | Aluminium |
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Question number: 1906
Question number: 1907
Question
The thermal energy of body increases when ________?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Potential energy of the body increases |
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| b. | Mechanical Potential energy of the body decreases |
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| c. | Kinetic energy of molecules in the body increases |
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| d. | Kinetic energy of the body decreases |
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Question number: 1908
» Chemistry » Atoms & Molecules
Question
Calculate the number of moles in zinc present in
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2.27 |
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| b. | 0.28 |
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| c. |
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| d. | 0.44 |
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Question number: 1909
Question number: 1910
» Chemistry » Structure of the Atom
Question
Calculate the frequency and wave number of radiation with wavelength?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
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| b. |
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| c. |
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| d. |
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