MCQs: Group A elements are called
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MCQs: Period number of the element indicates the value of
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MCQs: The ability of an atom to attract electrons towards itself is called
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MCQs: The average distance between the nucleus and outer shell is called
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MCQs: The horizontal rows of the periodic table are called
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MCQs: The shielding effect across the period
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MCQs: The period number of ²⁷₁₃Al is
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MCQs: In periodic table elements with similar valence shell configuration are placed in
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MCQs: When an electron is added in the valence shell than
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MCQs: The value of ionization energy
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MCQs: Groups contain alkaline earth metals are
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MCQs: Physical properties depend on the
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MCQs: Elements that lie in the same column have
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MCQs: As we go from left to right across the period, the electron affinity
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MCQs: Elements are arranged in order of
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MCQs: The decrease in the force of attraction between valence electrons and nucleus by inner electrons is called
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MCQs: The process in which the solid changes directly into vapors without changing in the liquid state is called
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MCQs: Conversion of a liquid to a gas at all temperatures is called
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MCQs: The temperature at which the solid starts melting is called
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MCQs: At constant pressure the average kinetic energy of gas molecules increases 2 times if
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