priya111999 Asked: December 2022 how to concentrate on studies without diverting in lockdownplzz any body hlp
priya111999 Asked: December 2022 how to draw structures based on molecular molecular formulas ex c2h2 c2h6answer it correctly i will follow u
priya111999 Asked: December 2022 difference between octet rule and lewis dot symbols and what is electron theory of valence