Which of the following element(s) are/is new in the periodic table?
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How many periods are present in the modern periodic table?
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Elements are arranged in order of
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The law that "the properties of elements are periodic functions of their atomic numbers" was given by
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The Law of Octaves was given by
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Value of ionization energy
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Elements that lie in same column have
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Decrease in force of attraction between valence electrons and nucleus by inner electrons is called
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As we go from left to right across period, electron affinity
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The law that "the physical and chemical properties of elements are periodic functions of their atomic weights" was given by
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When an electron is added in valence shell then
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In year 2016, in which month new elements were found in the periodic table?
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