LIVE Course for free

Rated by 1 million+ students
Get app now
0 votes
in Periodic Table and Electronic Configuration by (39.7k points)
closed by

Group and period number of two elements are given.

P – group 17, period – 3 

Q – group 2, period – 3 

a. Write the sub-shell electronic configuration of each. 

b Write the chemical formula of the compound formed by their combination.

1 Answer

+1 vote
by (38.0k points)
selected by
Best answer

a. P -1s2 , 2s2 , 2p6 , 3s2 , 3p5

Q -1s2 , 2s2 , 2p6 , 3s2 

b. Q is electropositive. P is electro negative; 

∴Chemical formula QP2

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.