Electronic configurations and the periodic table
1 mark · EasyState which period in the Periodic Table an element with electronic configuration 2,8,6 is found in.
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Period 3
Also accept: Third period; 3
Common mistakes: Period 2; Group 6
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Marking points
A1 · 1 mark · Correctly identifies Period 3 from three shells in configuration.
Worked solution
The number of shells is 3, so the element is in Period 3.