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121. Total number of Groups in Modern Periodic Table is:(A) 7(B) 11(D) 15 |
Answer» <p>18 is the correct answer of the given question</p> <p>18 total number of groups are there in modern periodic table</p> <p>18 is the correct answerby the way in which stndrd do u stdy??</p> <p>18 is the correct answer</p> <p>there are 18 groupsbut 18th group also called 0 group</p> <p>total number of groups in modern periodic table is 18</p> | |