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Q. No.The correct order of metallic character of elements B, Al, Mg and K is :
| 1. | B > Al > Mg > K
|
2. | Al > Mg > B > K
|
| 3. | Mg > Al > K > B
|
4. | K > Mg > Al > B |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsidering the elements B, C, N, F, and Si; the correct order of their non-metallic character is :
| 1. | B > C > Si > N > F | 2. | Si > C > B > N > F |
| 3. | F > N > C > B > Si | 4. | F > N > C > Si > B |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct order of their chemical reactivity of the elements F, Cl, O and N in terms of oxidizing property is :
| 1. | F > Cl > O > N
|
2. | F > O > Cl > N
|
| 3. | Cl > F > O > N
|
4. | O > F > N > Cl |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe maximum number of elements that can be accommodated in the sixth period are :
1. 8
2. 18
3. 32
4 16
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe element named after Lawrence Berkeley Laboratory is:
1. Seaborgium
2. Lawrencium
3. Moscovium
4. Hafnium
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBoron has lesser ionization enthalpy than Beryllium, because:
| 1. | It is easier to remove electrons from p - a subshell than a filled s - subshell. |
| 2. | The s-electron can be removed easier than the p-electron. |
| 3. | Ionization enthalpy decreases with an increase in atomic number. |
| 4. | Ionization enthalpy increases along the period. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDifference between electron gain enthalphy and electronegativity is described by :
| 1. | Valence electrons | 2. | Atomic size |
| 3. | Atomic radii | 4. | Atomic number |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIncorrect statement about metal is:
1. Metals can donate electrons.
2. Metals form ionic compounds.
3. Metals are more electronegative.
4. Metals have less ionization energy.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe group number that has non-metal, liquid as well as gas at room temperature is:
| 1. | 15 | 2. | 14 |
| 3. | 18 | 4. | 17 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Elements | |||
| I | 520 | 7300 | -60 |
| II | 419 | 3051 | -48 |
| III | 1681 | 3374 | -328 |
| IV | 1008 | 1846 | -295 |
| V | 2372 | 5251 | +48 |
| VI | 738 | 1451 | -40 |
1. III
2. IV
3. II
4. V
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