i want to know all the elements discovery in 2 lines
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there are 118 elements were known
there are 7 periods and 18 groups in the periodic table
there are four blocks in the periodic table .these are s block p block d block and f block
there are 7 periods and 18 groups in the periodic table
there are four blocks in the periodic table .these are s block p block d block and f block
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