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Chemistry - Periodic Classification Of Elements

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56. Which pair of atomic number represent s-block elements? (NTSE Chhattisgarh, Stage-I, 2014-15)

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57. Two elements showing similar properties due to same number of valence electrons are (NTSE Chhattisgarh, Stage-I, 2015-16)

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58. Which of the following ion has smallest ionic radius? (NTSE Chhattisgarh, Stage-I, 2015-16)

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59. Which of the following statement is incorrect statement about the trends when going from left to right across the periods of Modern Periodic Table? (NTSE Delhi, Stage-I, 2015-16)

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60. The correct order of acidic strength of the following oxides is (NTSE Delhi, Stage-I, 2015-16)

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Periodic Classification Of Elements