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Q. What is the period and group number of Silicon (Z=14) in the periodic table?
Answer: 3rd Period, 14th Group number
Notes: Silicon has an atomic number 14 and the outer electronic configuration is 3s2 3ps2. It is placed at the 3rd Period and 14th Group number.

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Question Number: 22 in Chemistry-9-Periodic Table in above course in App.