The unit cell of a metallic element is face centred cubic and the side of the cube is 540.2 pm. Calculate the density of a metal in gcm-3 is if its relative atomic mass is 202.4.
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Answered by
0
Answer:
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Answered by
5
Answer:
ANSWER
We know that,
Density-
d=
a
3
×NA
Z×M
Given :
Molar Mass(M)=108g/mol
Density (d)=10.5g/cm
3
Edge Length(a)=409pm
Z=
M
d×a
3
×N
A
Value of N
A
is N
A
=6.023×10
23
Z=
108
10.5×(409×10
−10
cm
3
)
3
×6.023×10
23
=4
Number of atoms =4
Hence the element is packed in FCC structure.
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