Periodic Classification of Element
Chapter 2: Periodic Classification of Element
- a. The number of electrons in the outermost shell of alkali metals is...... (i) 1 (ii) 2 (iii) 3 (iv) 7 The number of electrons in the outermost shell of alkali metals is 1 1
- 1. Rearrange the columns 2 and 3 so as to match with the column 1. Ans. (i – c – 5 ) , (ii – d – 3) , (iii – e – 6 ) , (iv – f – 1) , (v – b – 4), (vi - a – 2). Column 1 Column 2 Column 3 i. Triad c. Average... 1