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121. Total number of Groups in Modern Periodic Table is:(A) 7(B) 11(D) 15

Answer»

18 is the correct answer of the given question

18 total number of groups are there in modern periodic table

18 is the correct answerby the way in which stndrd do u stdy??

18 is the correct answer

there are 18 groupsbut 18th group also called 0 group

total number of groups in modern periodic table is 18



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