An atom of an element has the electronic configuration 2, 8, 2. To which group does it belong?
READ MORE +Periodic Table MCQs
The amount of energy released when one or more electrons is added to the neutral atom is
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In which group are inert elements placed?
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In modern periodic table, elements are arranged according to their
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Which of the following sets of atomic number belong to that of alkali metals?
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On moving from left to right in a period in the periodic table, the size of the atom
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Which one of the following does not increase while moving down the group of the periodic table?
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Which of the element whose atomic number is given below cannot accommodate in the present set up of the long form of the periodic table?
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In periodic table, Helium is placed at ___
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Which statement is correct for left to right movement in periodic table?
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Which of the following elements will form acidic oxide?
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Arrange the following elements in order of their increasing metallic character Na,Si,Cl,Mg,Al ?
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