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समूह 1 के तत्वों के संकेत एवं उसकी परमाणु संख्या लिखें।

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आवर्त सारणी के समूह 1 में 7 तत्व हैं।

परमाणु संख्या रासायनिक संकेत  तत्व का नाम समूह आवर्त
1 H Hydrogen 1 1
3 Li Lithium 1 2
11 Na Sodium 1 3
19 K Potassium 1 4
37 Rb Rubidium 1 5
55 Cs Caesium 1 6
87 Fr Francium 1 7

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