An element Y has the electronic configuration 1s² 2s² 2p6 3s² 3p4. To what period does it belong in the periodic table? By: Sunday|Published on: May 12|Categories: Chemistry WAEC| 0 comments A. 3 B. 4 C. 5 D. 6 Correct Answer: Option A A. 3 Users Also Read These:The electronic configuration of an element X is 1s²…Which of the elements belong to the same group in…Which of the following electronic configurations…The electronic configuration of an element is 1s²…What is the electronic configuration of an element…SEE ALSO When pure aluminium metal is heated to red hot in the presence of nitrogen gas; the compound formed is?