Describe the background of development of periodic table, the relation of the electronic configuration of outermost energy level of
the elements to the principle groups,the period of an element, assume the physical and chemical properties of an element in terms of its position in periodic table, the reasons for special naming of the element, the significance of periodic table, the similar properties of the compounds of the elements of the same
group with practical experiment, Make proper uses of the glass apparatus at the time of experiment, precautions at the time of experiment, assuming the properties of the elements following the periodic table.
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