76. Solving a chemistry problem
50. Name the elements of the 4th, 5th and 6th periods, which finish filling the d-orbital (3d10, 4d10 and 5d10). Write the electronic formulas of these elements and indicate to which period, group and subgroup they belong.
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
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