Incorrect 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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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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The increasing order of non-metallic character of the elements N, P, O, and S is:
1. P < S < N < O
2. O < S < N < P
3. O < N < S < P
4. N < S < O < P
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Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is , the simplest formula for this compound is:
1.
2.
3.
4.
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The correct order among the following options is:
1. F > N > C > Si > Ga - Non-metallic character.
2. F > Cl > O >N - Oxidising property.
3. C < Si > P > N - Electron affinity value.
4. All of the above.
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The order of basic character of given oxides is:
1. Na2O > MgO > Al2O3 > CuO
2. MgO > Al2O3 > CuO > Na2O
3. Al2O3 > MgO > CuO > Na2O
4. CuO > Na2O > MgO > Al2O3
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The formula of the stable binary compounds that would be formed by
an element having atomic number 71 and fluorine:
1. | LuF6
|
2. | LuF2
|
3. | LuF3
|
4. | LuF4 |
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Considering 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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