All the elements in a group in the periodic table have the same
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The horizontal lines in the modern periodic table are called
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Physical properties depends on the
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Ability of atom to attract electrons towards itself is called
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The element with atomic weight 14 is
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Groups contain alkaline earth metals are
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In periodic table elements with similar valence shell configuration are placed in
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Modern periodic law had been given by
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Fluorine has electron affinity less than that of
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In fluorine, incoming electrons are repel by the
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