7
6
5
4
3
2
I
K
+1
20
Ca
24305
2-8-2
+2 21
Sc
hUB
3
+3
Ti
4
IVB
Conl
Name
Symbol
Alomic Number
+2 23
V
5
VB
Carbon
+2 4
+2 25
7
VhS
+2 26
8
+2 27
9
V11IB
+2 28
Cr Mn Fe
3 Co
3
.6
VIB
AIOITIIC Mass
rie=
. Sekcled
OaidaSonSLaIus
+4
14 == Group (UPAC
Group CAS
IVA
10
+2 9
+1 30
12
IIB
42 Zn
Cu
11
LB
Al
Si .4 P
2-5
-4 15
+2
-3
+3
45
14.001
12.011
10.911
3 14
Nitrogen-e3
Carbon
2-4
-38
.
16
VIA
2-6
F
10.995
Fluorine
2-7
-2 17
-29
17
VIIA
-1
18
2-8
-110
He
20.119
Neon
Ne
Helium
4.6626
S C1 Ar
-
15.989
Oxygen
CNO
.47
15
VA
Boron
B
+36
14
IVA
2
18
VILLA
0
0
Ga
Ge As Se Br Kr
1-2
Aluminium
Silicon
Phosphorus
Sulphur
7
Chlorine
Argon
26.902
20.006
30.974
32.065
35.453
30.945
2-8-5
2-8-3
2-8-4
2-8-6
2-8-7
2-8-8
+2 31
+3 32
-4 3
-3 34
-2 35
-1 39
0
13
2-3
5
13
LILA
PERIODIC TA EU.. OF TFW ELIW. NT$
Sr
Y
Ba
Francium
(23J
-1&.-1s-8-1
Fr
89-103
Lanthanide
La
(26J
-18-31-18-8-2
Radium
Aclinide
Ra Ac
Cesium
Barium
132.31
137.33
2-8-18-18-8-1 2-8-18-18-8-2
+1 98
+2
87
Cs
Rubidium
Strontium
Yttrium
85.468
87.62
88.908
2-8-18-8-1
2-8-18-8-2
2-8-18-9-2
+1 56
55
+2 57-71
Rb
Hf
+4 73
Ta
92.908
2418-12-1
+5
74
W
05.94
2-8-18-13-1
+4 76
101.07
2-8-18-15.1
.
Pd Ag
Cd
•
In
Sn Sb Te
-
I
X&
4 Au
Pt
43 Hg
2 TI
43 Pb B1
45 Fo At
Platinum
Goki
Mercury
-
Rn
•
Rhodium
Palladium
Silver
Cadmium
Indium
Tin
Antimony
Teilunum
Iodine
Xenon
102.91
100.42
107.87
112.41
114.82
110.11
121.76
121.50
120.90
131.29
2418-16-1
2-8-18-18
2-8-18-18.1
2418-18-3
2-8-18-184
2-8-18-184
2-8-18-15-5
2-8-18-10-6
2-8-18-18-7
2-8-18-18-8
+3 77
+3 78
+2 79
+1 90
+1 81
÷1 82
+2 3
+3 94
+2 85
-1 86
0
Rh
:
Re Os Ir
Rhenium
-*8 75
(98)
2418-14-1
Molybdenum Technetium Ruthenium
45 Mo
Nb
45 Tc Ru
Niobium
Dubnium
Db
Hs
Hassium
Bh
Bohrlum
Seaborgium
-
Sg
Maitnerium
Mt
lii
112
t
59
•3 60
Nd
+3 61
+3 62
.2 63
+2 94
114
115
+3 55
Tb
+3 66
Dy
(204)
.3 97
Ho
(289)
+3 68
Er
(288)
Thorium
Actinium
(227)
45 U
Pa
•4 92
Protactinium
÷4 91
+3 94
+
+:j
+
97
3 98
Np Pu Am Cm Bk
4 Cf
Neptunium Plutonium
-3 93
117
118
3 99
Es
Fm
100
+3
No
102
Lr
103
Lawrencium
(258)
(259)
(262)
-18-32-31-8-2 -18-32-32-8-2 -18-32-32-9-2
Mendelevium Nobelium
Md
101
168.93
173.04
174.97
2-8-18-31-8-2 2-8-18-32-8-2 2-8-18-32-0-2
Lutetium
43 Lu
Yb
+2 71
‘tterbium
+3 70
(294)
Thulium
(292)
Tm
+3 69
Uranium
Americium
Curium
Berkelium Californium Einsteinium Fermium
23204
2.311)4
238.03
(23fl
(2441
12431
12471
-18-32-18-9-2 -18-32-18-10-2 -18-32-20-9.2 -18-32-21-0(2411
1251)
1262)
(2571
2 -18-32-258-2 -1842-24-8-2 -1842-258-2 -1842-259-2
-1842-21-8-2 -1842-258-2 -18-32-258-2 -18-32-3(1-8-2
Th
‘3 90
Ac
89
Actinide
116
Ununhium JIuauadi1I13 Uruipenlium Ununhexium Uonrrseptium Ununoctium
Cerium
Samarium
Europium Gadolinium
Terbium Dysprosium Holmium
Erbium
138.91
140.12
140.91
144.24
(145)
150.36
151.96
151.26
2-8-18-1842 2-8-18-20-8-2 2-8-18-21-8-2 2-8-18-22-8156.93
162.50
164.93
167.26
2 2-8-18-22-8-2 2-8-18-2442 2-8-18-2542 2-8-18-25-92 2-8-18-27-8-2 2-8-18-28.8-2 2-8-48-29-8-2 2-8-18-30-8-2
Pm 8m
3 Eu
43 Gd
eodyirui Neodymium Promethium
La. C&
4 Pr
+3 58
Lanthanium
51
_anthani ji cie
113
Ds Rg Uub Uut Uuq Uup Uuh ,Uus Uuo
)amist4k Roentgerum
110
Ununbium
(2og
(362j
(362)
(362)
(264)
(208)
(264)
(272)
(2771
-18-iz-31-I0-2 -18-32-32-11-2 -18-32-32-12-2 -18-32-32-13-2 -18-32-32-14
-2 -18-32-32-15-? -16-32-32-17-1 -18-32-32-18-1 -18-32-32-18-2
tutherkdun
Rf
.
Hafnium
Tantalum
Tungsten
Osmium
lrklium
Thallium
Lead
Bismuth
Polonium
Astatine
178.49
Radon
180.95
183.84
18621
190.23
192.22
195.08
106.97
200.59
204.38
2-8-18-32-10-2 2-8-18-32-11-2 2418-32-12-2 2-8-18-32-13-2 2-8-18-32-14
2072
204.38
(209)
(210)
(222)
-2 2-8-18-32-15-2 2-8--18-32---1 2-8-18-32-18-1 2-8-48-32-18-2 2-8-l-18-3
2-8-18-32-18
2-8-18-32-18
-5
-6 2-8-18-32-18-7 2-1-18-32-18-8
-lBf
104
105
196
107
108
109
+2
72
91224
2-8-18-19.2
Zirconium
Zr
Potassium
Calcium
Scandium
Titanium
Vanadium Chromium Manganese
Iron
Cobalt
Nickel
Copper
Zinc
Gahium Germanium Arsenic
Selenium
39.098
Bromine
40.078
Krypton
44.956
47.867
50.942
51.996
54.935
55.845
50.833
58.693
2-8-8-I
63.546
2-8-8-2
65.39
69.723
2-8-9-2
12.64
74.922
2-8-10.2
70.96
79.904
2411-2
83.80
2-8-13-1
2412-2
2-8-14-2
2-8-18-2
2-8-16-2
2-8-18-1
2-8-18-2
2-8-18-3
2418-4
2-8-18-6
2418-8
2418-7
+1 38
2-6-18-8
37
.2 39
+3 40
+4 41
3 42
3 43
+4 44
+3 45
3 45
+2 47
+1 48
+2 49
+3 50
+2 51
-3 52
-2 53
-1 54
0
iá
22.990
2-8-1
Mg
Magnesium
Na
12
+2
9.6122
6.941
+1
Beryllium
LJthium
2-2
Be
+2
Li
414
2
hA
Sodium
2-I
11
3
1.0679
Hydrogen
1
H
I
IA
N
.4-c
U
0
‘-4
U
0
E
>0
..
::.
..
:
V.
e)Jp)8
wnns
uobo1pA
ewuoqi
OP1OUId
eppoq
.ainiop
.eUoqi
epuiws
-
g
:.
I
t
•
Wg8
•
.
8
8
‘•:
u’ g g g
E
.:
gg
g
H’
.
I
-
...apnay•.
E
.
-
g
gg.g
u•
g
-
IV.
I
4
Be
1.57
12
Mg
1.31
20
Ca
1.00
38
Sr
0.95
56
Ba
0.89
88
Ra
0.9
II
C.
Q
C
C
21
Sc
1.36
39
Y
1.22
71
Lu
1.0
103
Lr
22
Ti
1.54
40
Zr
1.33
72
Hf
1.3
104
Rf
Electronegativity
1
H
2.20
3
Li
0.98
11
Na
0.93
19
K
0.82
37
Rb
0.82
55
Cs
0.79
87
Fr
0.7
II
II
0
-.4
C
C
C
C
24
Cr
1.66
42
Mo
2.16
74
W
1.7
106
Sg
Values
23
V
1.63
41
Nb
1.6
73
Ta
1.5
105
Db
14
0
0
4-
U)
25
Mn
1.55
43
Tc
2.10
75
Re
1.9
107
Bh
I
26
Fe
1.83
44
Ru
2.2
76
Os
2.2
108
Hs
C
C
0
II
27
Co
1.88
45
Rh
2.28
77
Ir
2.2
109
Mt
if
28
Ni
1.91
46
Pd
2.20
78
Pt
2.2
110
Urns
29
Cu
1.90
47
Ag
1.93
79
Au
2.4
111
Uuu
cS
30
Zn
1.65
48
Cd
1.69
80
Hg
1.9
112
Uub
b
08
0
II
+
5
B
2.04
13
Al
1.61
31
Ga
1.11
49
In
1.78
81
TI
1.8
113
C
0
I’
6
C
2.55
14
Si
1.90
32
Ge
2.01
50
Sn
1.96
82
Pb
1.8
114
Uuq
7
N
3.04
15
P
2.19
33
As
2.18
51
Sb
2.05
83
Bi
1.9
115
•
C1
00
0
I4
I’
8
0
3.44
16
S
2.58
34
Se
2.55
52
Te
2.1
84
Po
2.0
116
Uuh
9
F
3.98
17
Cl
3.16
35
Br
2.96
53
I
2.66
85
At
2.2
117
2
He
10
Ne
18
Ar
36
Kr
54
Xe
86
Rn
118
UUo