atomic models · atomic models hydrogen helium lithium beryllium boron carbon nitrogen oxygen...
TRANSCRIPT
Atoms, Molecules & Elements CC4505© 55
Atomic Models
Hyd
rog
en
He
lium
Lith
ium
Be
rylli
um
Bo
ron
Ca
rbo
nN
itro
ge
nO
xyg
en
Fluo
rine
Ne
on
..................2
prot
ons
+2 n
eutro
ns3
prot
ons
+4 n
eutro
ns4
prot
ons
+5 n
eutro
ns+1
neu
trons
5 pr
oton
s+6
neu
trons
6 pr
oton
s+6
neu
trons
7 pr
oton
s+7
neu
trons
8 pr
oton
s+8
neu
trons
9 pr
oton
s+1
0 ne
utro
ns10
pro
tons
+10
neut
rons
Atoms, Molecules & Elements CC4505© 56
History of the Atomic Model
Dalton1803
Thompson1897
Rutherford1909
Bohr1913
Current electron cloud model proposed in1926.
Dalton’s atom Thomson’s plum-pudding atom Rutherford’s atom
Bohr’s planetary atom
Current orbital atom
Electron clouds
...........................
Atoms, Molecules & Elements CC4505© 57
Elements and Compounds
SALT BAKING SODA
SUGAR
OXYGEN
...........................
Atoms, Molecules & Elements CC4505© 58
Me
nd
ele
ev
Me
nd
ele
ev’
s Pe
riod
ic Ta
ble
Gro
up
III
III
IVV
VI
VII
VII
IPe
riod 1
H=1
2L
i=7
Be=
9.4
B=1
1C
=12
N=1
4O
=16
F=1
9
3N
a=23
Mg=
24A
I=27
.3Si
=28
P=3
1S=
32C
I=35
.5
4K
=39
Ca=
40?=
44T
i=48
V=5
1C
r=52
Mn=
55F
e=56
, Co=
59N
i=59
5C
u=63
Zn=
65?=
68?=
72A
s=75
Se=7
8B
r=80
6R
b=85
Sr=8
7?Y
t=88
Zr=
90N
b=94
Mo=
96?=
100
Ru=
104,
R
h=10
4P
d=10
6
7A
g=10
8C
d=11
2In
=113
Sn=1
18Sb
=122
Te=1
25J=
127
8C
s=13
3B
a=13
7?D
i=13
8?C
e=14
0
9 10?E
r=17
8?L
a=18
0Ta
=182
W=1
84O
=195
, h=1
97P
t=19
8
11A
u=19
9H
g=20
0T
I=20
4P
b=20
7B
i=20
8
12T
h=23
1U
=240
Mendeleev’s Periodic Table...........................
Atoms, Molecules & Elements CC4505© 59
...................The Periodic Table
Atoms, Molecules & Elements CC4505© 60
The Periodic Table(Showing the Elements)
.....................