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Standard XII
Chemistry
Density
40. Molybdenu...
Question
40. Molybdenum (molar mass 96) crystallize as bcc crystal if density of crystal is 10.3 then radius of Mo atom is (Na= 610*23) take cube root of 31= 3.2
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Similar questions
Q.
Molybdenum (At. wt.
=
96
g
/
m
o
l
) crystallizes as
b
c
c
crystal. If density of crystal is
10.3
g
/
c
m
3
, then radius of
M
o
atom is: [Use :
N
A
=
6
×
10
23
]
Q.
Molybdenum (
Atomic wt.
=
96
g
/
m
o
l
) crystallizes as bcc crystal. If density of crystal is
10.3
g
/
c
m
3
,
what will be the radius of
M
o
atom?
[
U
s
e
:
N
A
=
6
×
10
23
]
Q.
Molybdenum forms body-centred cubic crystals whose density is
10.3
g
c
m
−
3
.
C
a
l
c
u
l
a
t
e
t
h
e
e
d
g
e
l
e
n
g
t
h
o
f
t
h
e
u
n
i
t
c
e
l
l
.
T
h
e
m
o
l
a
r
m
a
s
s
o
f
Mo
i
s
95.94\ g\ mol^{-1}$.
Q.
Na and Mg crystallize in BCC and FCC type crystals respectively, then the number of atoms of Na and Mg present in the unit cell of their respective crystal is
Q.
Sodium (atomic mass
=
23
amu) crystallizes in a bcc arrangement with the interfacial separation between the atoms at the edge
53.6
pm. The density (in g cm
−
3
) of sodium crystal is:
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