The electron affinity for the inert gases is
READ MORE +Periodic Table MCQs
The order of increasing sizes of atomic radii among the elements O, S, Se and As is
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In the long form of the periodic table, the valence shell electronic configuration of 5s²5p4 corresponds to the element present in
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Which of the following properties generally decreases along a period?
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The correct order of first ionization potential among following elements, Be, B, C, N and O is
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Why the size of an anion is larger than the parent atom?
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The element with atomic number 35 belongs to
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Which of the following is non-metallic?
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The chemistry of lithium is very similar to that of magnesium even though they are placed in different groups. Its reason is
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Which of the following pairs has both members from the same period of the periodic table?
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How many elements are there in 6th period of periodic table?
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Periodic classification of elements is used to examine the
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