Question

In AB type of structure of NiAs the each Ni atom is surrounded ________ number of Arsenic

atoms.

a) 5

b) 6

c) 7

d) 8​

Answer 1

Answer:

6 (b)

Explanation:

It consists of arsenic atoms in a distorted hexagonal close-packed structure with nickel atoms in octahedral shape, which in NiAs have distorted to become trigonal prismatic.

The purple colored element is Nickel

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