Chemistry : CBSE Board Papers Class 10 - 2014 - Chemistry - Question 9
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Question - The elements Be, Mg and Ca each having two electrons in their outermost shells are in periods 2, 3, and 4 respectively of the modern periodic table. Answer the following questions, giving justification in each case: (i) Write the group to which these elements belong. (ii) Name the least reactive element. (iii) Name the element having largest atomic radius. Vedantu - Your Personal Teacher Online - Get an clear edge over other students by constant revision of important topics with an awesome teacher. - Get your doubts and questions resolved instantly by booking an instant live session - Prepare for competitive exams with our exam courses and achieve your goal - Skipped a topic in tuitions? Learn it on Vedantu by taking our topic courses
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