symbols of two elements in group 1 of mendeleev's periodic table which are not found in group 1 of the modern periodic table
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Answer:yjsrtjrj rt jhastj rstj rsttj r jr jjtr
ujr tj rtjr
dr
tjdr tjrdj rj
d
tjd rtj rjt
rj
rdtj drtj drtjzdtfhed
rhedh ehe
rherhwerHeJHERYAuYHRTYKTIK
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