- A Belongs To Group Viia 17 And Period 3 Symbol Name B The First Element Reading Down In Group Viib 7 Symbol Name C 1 (55.05 KiB) Viewed 31 times
a. Belongs to group VIIA(17) and period 3 Symbol Name b. The first element (reading down) in group VIIB(7) Symbol Name c
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a. Belongs to group VIIA(17) and period 3 Symbol Name b. The first element (reading down) in group VIIB(7) Symbol Name c
a. Belongs to group VIIA(17) and period 3 Symbol Name b. The first element (reading down) in group VIIB(7) Symbol Name c. The third element (reading left to right) in period 3 Symbol Name d. Belongs to group IIB(12) and period 6 Symbol Name