P-Block Elements - Online Mcqs Test - Chemistry 12th (Part I) Chemistry XII Class MCQs – P-Block Elements – 12th P-Block Elements – Online Mcqs Test (25 Mcqs) 1/25jQuizMe *The total number of electrons in the outer most shell of p-block elements varies from:2 to 7 1 to 6 1 to 8 3 to 8 Chemistry Notes XII,Chemistry Online Mcqs XII Online MCQs Test - Part II P-Block Elements Chapter List | Theory & Question Answers | Scientific Reasons | Mcqs | Online Mcqs