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Electronics and Communication Engineering - Materials and Components - Discussion

Discussion Forum : Materials and Components - Section 1 (Q.No. 5)
Materials and Components
5.

Assertion (A): Atomic number of sodium is 11.

Reason (R): Sodium has a body centred cubic lattice.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is false
A is false but R is true
Answer: Option
Explanation:

Atomic number is not dependent on lattice structure.

Discussion:
11 comments Page 2 of 2.
Ishwarya said:   5 years ago
Atomic number is the number of protons/number of electrons. In sodium number of protons =number of electrons =11 so atomic number is 11.

And it is not dependent on crystal lattice.
(1)
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