Q. The value of n in the molecular formula Be$_{n}^{\ }{AI_{2}Si_{6}O_{18}}$ is
A) 1
B) 2
C) 3
D) 4
Explanation
(c)
For Be$_{n}^{\ }{Al_{2}Si_{6}O_{18}}$
2n + 6 + 24 – 36 = 0
n = 3
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.