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The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 4th group and the 4th period? - आधुनिक आवर्त सारणी में 18 समूह और 7 आवर्त होते हैं। उस तत्व की परमाणु संख्या क्या है‚ जिसे चौथे समूह और चौथे आवर्त में रखा गया है?

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The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 4th group and the 4th period? - आधुनिक आवर्त सारणी में 18 समूह और 7 आवर्त होते हैं। उस तत्व की परमाणु संख्या क्या है‚ जिसे चौथे समूह और चौथे आवर्त में रखा गया है?






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