Entry Test MCQ :: Chemical Bonding
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| 21. |
In a period the atomic radii |
| A. |
Increases |
B. |
Decreases |
| C. |
Remain same |
D. |
First decreases then increases |
Answer: Option B
Explanation:
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| 22. |
An atom loses or gains electrons to |
| A. |
Gain stability |
B. |
Form a bond |
| C. |
Complete its outermost shell |
D. |
all are accurate justifications |
Answer: Option D
Explanation:
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| 23. |
In a group ionic radii |
| A. |
Increases |
B. |
Decreases |
| C. |
No change |
D. |
Variable trend |
Answer: Option A
Explanation:
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| 24. |
Energy required to remove electron from an atom |
| A. |
Ionization potential |
B. |
Electronegativity |
| C. |
Electron affinity |
D. |
Activation energy |
Answer: Option A
Explanation:
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| 25. |
Ionization energy in a period generally |
| A. |
Increases |
B. |
Decreases |
| C. |
No change |
D. |
Variable trend |
Answer: Option A
Explanation:
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| 26. |
Greater shielding effect corresponds to ionization energy value |
| A. |
Greater |
B. |
Lesser |
| C. |
Remain same |
D. |
No effect |
Answer: Option B
Explanation:
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| 27. |
Elements having high I.P values are |
| A. |
Metals |
B. |
Non metals |
| C. |
Liquids |
D. |
Solids |
Answer: Option B
Explanation:
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| 28. |
Energy released or absorbed when electrons are added in atom is |
| A. |
Ionization potential |
B. |
Electronegativity |
| C. |
Electron affinity |
D. |
Activation energy |
Answer: Option C
Explanation:
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| 29. |
In a period electronegativity from left to right |
| A. |
Increases |
B. |
Decreases |
| C. |
Remain constant |
D. |
Variable trend |
Answer: Option A
Explanation:
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| 30. |
Ionic bond is produced after complete transfer of |
| A. |
Nucleus |
B. |
Neutrons |
| C. |
Electrons |
D. |
Protons |
Answer: Option C
Explanation:
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