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Get Answers to all your Questions
Write the electronic configurations of two elements P (atomic number 17) and Q (atomic number 19) and determine their group numbers and period numbers in the Modern Periodic Table.
Answers (1)
Electronic configuration of p = 2,8,7
Electronic configuration of q = 2,8,8,1
P17 is chlorine block p (period 3 and group 17)
q19 is potassium from block s (period 4 and group 1)
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