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Chemistry - Periodic Classification Of Elements

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46. Arrange the Li, Be, B, C, N elements according to increasing order of atomic radii (NTSE Punjab, Stage-I, 2016-17)

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47. All the elements in a group have the (NTSE Madhya Pradesh, Stage-I, 2016-17)

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48. Bromine is a (NTSE Madhya Pradesh, Stage-I, 2016-17)

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49. Which of the following statements is not a correct statement about the trends when going from left to right across the periods of periodic table? (NTSE Rajasthan, Stage-I, 2015-16)

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50. Electronic configuration of an atom is 2, 8, 1. Which of the following elements is similar with it in chemical reactivity? (NTSE Rajasthan, Stage-I, 2016-17)

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Periodic Classification Of Elements