h1'Clrogen
Avogadro's number = 6.02 x
1
H
1.0079
lithium
-helium
1023
2
beryllium
boron
carton
nitrOJen
oxygen
Li Be
10.811
B
12.011
C
14.007
N
15.999
13
14
15
16
3
6.941
sodium
11
5
4
9.0122
magnes1um
aluminium
12
Na Mg
22.990
potassium
19
24.305
calcium
scandium
21
20
K Ca
39.098
rubidium
37
85.468
55
44.956
yttrium
39
38
87.62
barium
56
Cs Ba
132.91
francium
137.33
radium
12231
12261
22
Sc Ti
40.078
strontium
Rb Sr
caesium
titanium
y
88.906
lutetium
47.867
zirconium
40
vanadium
23
V
50.942
niobium
41
chromium
24
manganese
25
iron
26
cobalt
27
ni ckel
28
copper
29
zinc
30
Al
26.982
gallium
31
88
silicon
Si
28.086
germanium
32
7
phosphorus
p
30.974
arsenic
33
8
0
sulfur
s
32.065
selenium
34
51.996
54.938
molybdenum technetium
55.845
ruthenium
44
58.933
rhoclium
45
58.693
palladium
46
63.546
si lver
47
65.39
cadmium
48
69.723
indium
72.61
tin
74.922
antimony
78.96
tellurium
4.0026
neon
10
18.998
F
Ne
17
18
chlorine
20.180
argon
Cl Ar
35.453
bromine
35
79.904
39.948
krypton
36
xenon
I
Xe
50
112.41
mercury
114.82
thallium
118.71
lead
121.76
bismuth
127.60
polonium
astatine
196.97
unununium
200.59
ununbium
204.38
207.2
208.98
12091
1210!
thulium
ytterbium
43
92.906
tantalum
95.94
tungsten
1981
rhenium
101.07
osmium
102.91
iridium
106.42
platinum
107.87
gold
180.95
dubnium
183.84
seaborgium
186.21
bohrium
190.23
hassium
192.22
meitnerium
195.08
ununnllium
51
52
83.80
iodine
49
42
Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te
91.224
hafnium
9
He
Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
53
126.90
54
131.29
radon
* Lu Hf Ta w Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
57-70
71
72
178.49
174.97
lawrencium rutherfordium
73
74
75
76
77
78
79
80
81
Fr Ra ** Lr Rf Db Sg Bh Hs Mt Uun Uuu Uub
87
6
fluori ne
89-102
* Lanthanide series
**Actinide series
103
104
12621
12611
12621
12661
12641
12691
12681
12711
12721
12771
lanthanum
cerium
praseodymiurr
neodymium
promethium
samarium
europium
gadolinium
terbium
dysprosium
57
58
105
59
106
60
107
61
108
62
109
63
110
64
111
65
112
66
82
ununquadium
83
84
114
Uuq
12891
holmium
67
erbium
68
69
70
La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb
138.91
actinium
89
140.12
thorium
90
140.91
protactinium
91
Ac Th Pa
12271
232.04
231.04
144.24
uranium
u
92
238.03
11451
neptunium
93
150.36
plutonium
94
151.96
americium
95
157.25
curium
96
158.93
berkelium
97
162.50
californium
98
164.93
einsteinium
99
167.26
fermium
100
168.93
mendelevium
101
173.04
nobelium
102
Np Pu Am Cm Bk Cf Es Fm Md No
12371
12441
12431
12471
12471
12511
12521
12571
12581
12591
85
86
12221