Electronics and Communication Engineering - Materials and Components - Discussion

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

Ishwarya said:   5 years ago
@Selvi.

Nacl has a face centred cubic lattice structure.
(1)

Selvi said:   6 years ago
Is that sodium had bcc lattice structure? Please tell me.
(1)

Yaswi said:   7 years ago
Definition of body-centred cubic lattice?

The body-centred cubic unit cell has atoms at each of the eight corners of a cube (like the cubic unit cell) plus one atom in the centre of the cube (left image below). Each of the corner atoms is the corner of another cube so the corner atoms are shared among eight unit cells.

Sam said:   7 years ago
NaCl - has face centre cubic lattice which has 6 NaCl for unit cell.

THEREFORE EVEN ATOM CAN HAVE CUBIC LATTICE.
THEN CUBIC LATTICE OF Mg.
There are 8 types of unit cell which is an answer.

C.Kirthu said:   8 years ago
Can anyone please explain it clearly?
(1)

Akanksha said:   9 years ago
Body centre cubic lattice : lattice point is at the centre of the unit cell (cube) in addition to the 8 corner points crystal structure.
(1)

Priyanka said:   9 years ago
What is centred cubic lattice?
(1)

Javedkhan prmceam badnera extc said:   9 years ago
Atomic number does not depend on the lattice structure.

Sridhar said:   10 years ago
What is body centered cubic lattice?


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