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Lecture 4

CHEM 112 Lecture Notes - Lecture 4: Arman, Hmu Language, Diffraction


Department
Chemistry
Course Code
CHEM 112
Professor
Adhikari
Lecture
4

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CAN
1/2
27
Jun
2019
CHAPTER
12
LECHE
NOES
CRYSTALLINE
SOLIDS
+
MODERN
MATER
Mrs
O
(
RUSIN
-
STRUCTURES
0
Structure
*
CRYSTAL
WE
ARE
ORDER
we
Geometric
SIMPLE
Lc
(
ARMS
A
@
c)
=D
STRUCTURE
(
w
)
LANE
PTS
.
*
EDUELEWLTH
=
Zr
*
X
-
RM
Diffraction
Crusmuoa
room
.
BODY
CENTERED
CUBIC
8(
Atoms
AND
=D
LANCE
Points
Cars
BE
Atms
,
*
EDUE
Lenient
10ns
CR
matures
.
FAE
CENTERED
CUBIC
fathoms
AWD
-97
0
Diffraction
From
A
Creson
*
EDGE
LENUTH
Zoff
*
CONSTRUCT
LE
IN
TE
FERENCE
even
Coordination
#
=
MAX
#
of
Arms
Occur
WHEN
X
-
RAYS
STRIKE
ATTNTLHED
PARR
MELL
PLANES
.
EXAMPLE
:
A
BODY
centred
cubic
HAS
*
BRAH
LAW
:
DISTANCE
BETWEEN
A
VOLUME
of
4.32×10-23
cm
?
Fons
Inn
Ehs
of
Atoms
me
pnsws.in
pm
.
Given
=
V
=
4.32×10-23
NX
-
-
Zdsino
v
-
-
lame
tenant
)
's
PRAGUE
Brnuas
Question
V
-
-
1173
D=
DISTANCE
BENTEEN
LAYERS
.
I
=
41
2a=
Print
DIFFERENCE
3
N
=
WHICH
LAYER
SEP
Arman
IS
THE
EXAMPLE
:
Al
crushes
ZES
WTH
FAE
DINER
ENCE
(
many
n
=D
CENTERED
CUBE
.
Radius
IS
143pm
.
Cmc
THE
Density
glom
3
Gi
.
WHEN
X
-
-
154pm
,
it
Produces
A
MAX
Renehan
of
n
-
-
I
.at
AN
d
-
-
my
To
GET
MASS
fins
#
of
c)
of
0-32.60
Atoms
IN
THE
VMTCEUY
4
Atoms
x
27
amu
=
108
(1)
(
154pm
)
-
-
(2)
(d)
(
sin
32.67
A
-
-
108am
u
gram
lamu
:
1.67×10-249
o
Cruisin
LANCE
*
WHEN
Artaud
to
cool
Seaway
,
THE
108mg
=
#
=
1.792×10
-22g
PARTICLES
IN
A
LLQUD
Was
ARRANT
I
hmu
1.67×10
-
"
g
TIHMSEUES
TO
GIE
MAX
.
ADDAX
UE
Prance
12.4
force
.
(
Hmmmm
CRUSH
TEES
(
w
)
A
Boron
CENTERED
Minimize
ENERGY
CUBIC
0Mt
CELL
.
THE
f-
125pm
.
CRUS
MWE
SOLID
.
CARL
.
Density
in
g.
/
cm
's
Smartest
UNIT
IS
CALLED
-
24
unit
con
.
d-
-
tf
2×526
.
0
UNIT
CELL
*
3D
-
2
or
3cm
ERS
*
REPENTED
Attu
OVER
.
M=l.7368#
21
*
ENZH
PADDLE
IN
A
UNIT
CEE
IS
A
lance
Pt
.
µ4xl2gg")
*
LANCE
Promos
-
-
DISTANCE
BETWEEN
TWO
LATTICE
PLANES
.
~
1=413
V=
Id
)3
V
-
-
2.40562612410-23
M
-
-
7.21974203×10-46
R
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