This section contains Three questions. The section contains Two tables (each having 3 columns and 4 rows). Based on each table, there are THREE questions. Each question has FOUR options (A), [B]. [C], and [D]. ONLY ONE of these four options is correct. Answer Q. 1, 2 and 3 by appropriately matching the information given in the three columns of the following table. Q Find CORRECT combination:

This section contains Three questions. The section contains Two tables

1.	This section contains Three questions. The section contains Two tables (each having 3 columns and 4 rows). Based on each table, there are THREE questions. Each question has FOUR options (A), [B]. [C], and [D]. ONLY ONE of these four options is correct. Answer Q. 1, 2 and 3 by appropriately matching the information given in the three columns of the following table. Q Find CORRECT combination:
Answer» (III) (iii)(P) (I) (iv)(Q) (IV) (iv)(R) (IV) (ii)(R) SOLUTION :`Be_(3)Al_(2)Si_(6)O_(18)` (Beryl) (according to charge balance in a molecule) 2n + 6 + 24 - 36 = 0 n = 3