Materials and Components - Engineering

Q1:

Assertion (A): Atomic number of sodium is 11. Reason (R): Sodium has a body centred cubic lattice.

A Both A and R are true and R is correct explanation of A

B Both A and R are true but R is not correct explanation of A

C A is true but R is false

D A is false but R is true

ANS:B - Both A and R are true but R is not correct explanation of A

Atomic number is not dependent on lattice structure.