1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
alkali
metals
alkaline earth
metals Periodic Table of the ElementsPeriodic Table of the Elements chalcogens halogens noble gases
1. 01H
Hydrogen
[ˈhaɪdrɵdʒɨn]
1.0
groups 02He
Helium
[ˈhiːliəm]
4.0
2. 03Li
Lithium
[ˈlɪθiəm]
6.9
04Be
Beryllium
[bəˈrɪliəm]
9.0
p
e
r
i
o
d
s
57La
Lanthanum
[ˈlænθənəm]
138.9
Atomic NumberSymbol
Name
Phonetic Transcription
Relative Atomic Mass
05B
Boron
[ˈbɔrɒn]
10.8
06C
Carbon
[ˈkɑrbən]
12.0
07N
Nitrogen
[ˈnaɪtrɵdʒɨn]
14.0
08O
Oxygen
[ˈɒksɨdʒɨn]
16.0
09F
Fluorine
[ˈflʊərːin]
19.0
10Ne
Neon
[ˈniːɒn]
20.2
3. 11Na
Sodium
[soʊdiəm]
23.0
12Mg
Magnesium
[mæɡˈniːziəm]
24.3
13Al
Aluminium
[æljʊˈmɪniəm]
27.0
14Si
Silicon
[ˈsɪlɨkən]
28.1
15P
Phosphorus
[ˈfɒsfərəs]
31.0
16S
Sulphur
[ˈsʌlfər]
32.1
17Cl
Chlorine
[ˈklɔəriːn]
35.5
18Ar
Argon
[ˈɑrɡɒn]
39.9
4. 19K
Potassium
[pɵˈtæsiəm]
39.1
20Ca
Calcium
[ˈkælsiəm]
40.1
21Sc
Scandium
[ˈskændiəm]
45.0
22Ti
Titanium
[taɪˈteɪniəm]
47.9
23V
Vanadium
[vəˈneɪdiəm]
50.9
24Cr
Chromium
[ˈkroʊmiəm]
52.0
25Mn
Manganese
[ˈmæŋɡəniːz]
54.9
26Fe
Iron
[ˈаɪ.ərn]
55.9
27Co
Cobalt
[ˈkoʊbɒlt]
58.9
28Ni
Nickel
[ˈnɪkəl]
58.9
29Cu
Copper
[ˈkɒpər]
63.5
30Zn
Zinc
[ˈzɪŋk]
65.4
31Ga
Gallium
[ˈɡæliəm]
69.7
32Ge
Germanium
[dʒərˈmeɪniəm]
72.6
33As
Arsenic
[ˈɑrsnɪk]
74.9
34Se
Selenium
[sɨˈliːniəm]
79.0
35Br
Bromine
[ˈbroʊmiːn]
79.9
36Kr
Krypton
[ˈkrɪptɒn]
83.8
5. 37Rb
Rubidium
[rʊˈbɪdiəm]
85.5
38Sr
Strontium
[ˈstrɒnʃiəm]
87.6
39Y
Yttrium
[ˈɪtriəm]
88.9
40Zr
Zirconium
[zərˈkoʊniəm]
91.2
41Nb
Niobium
[naɪˈoʊbiəm]
92.9
42Mo
Molybdenum
[məˈlɪbdɨnəm]
95.9
43Tc
Technetium
[tɛkˈniːʃɪəm]
(99)
44Ru
Ruthenium
[ruːˈθiːniəm]
101.1
45Rh
Rhodium
[ˈroʊdiəm]
102.9
46Pd
Palladium
[pəˈleɪdiəm]
106.4
47Ag
Silver
[ˈsɪlvər]
107.9
48Cd
Cadmium
[ˈkædmiəm]
112.4
49In
Indium
[ˈɪndiəm]
114.8
50Sn
Tin
[tɪn]
118.7
51Sb
Antimony
[ˈæntɨmɵnɪ]
121.8
52Te
Tellurium
[tɪˈlʊəriəm]
127.6
53I
Iodine
[ˈaɪ.ɵdiːn]
126.9
54Xe
Xenon
[ˈzɛnɒn]
131.3
6. 55Cs
Caesium
[ˈsiːziəm]
132.9
56Ba
Barium
[ˈbɛəriəm]
137.3
57La
Lanthanum
[ˈlænθənəm]
138.9
72Hf
Hafnium
[ˈhæfniəm]
178.5
73Ta
Tantalum
[ˈtæntələm]
181.0
74W
Tungsten
[ˈtʌŋstən]
183.9
75Re
Rhenium
[ˈriːniəm]
186.2
76Os
Osmium
[ˈɒzmiəm]
190.2
77Ir
Iridium
[ɨˈrɪdiəm]
192.2
78Pt
Platinum
[ˈplætɨnəm]
195.1
79Au
Gold
[ɡoʊld]
197.0
80Hg
Mercury
[ˈmɜrkjʊri]
200.6
81Tl
Thallium
[ˈθæliəm]
204.4
82Pb
Lead
[ˈlɛd]
207.2
83Bi
Bismuth
[ˈbɪzməθ]
209.0
84Po
Polonium
[pɵˈloʊniəm]
(210)
85At
Astatine
[ˈæstətiːn]
(210)
86Rn
Radon
[ˈreɪdɒn]
(222)
7. 87Fr
Francium
[ˈfrænsiəm]
(223)
88Ra
Radium
[ˈreɪdiəm]
(226)
89Ac
Actinium
[ækˈtɪniːəm]
(227)
104Rf
Rutherfordium
ˌrʌð ərˈfɔrdi əm
(261)
Lanthanides
58Ce
Cerium
[ˈsɪəriəm]
140.1
59Pr
Praseodymium
[ˌpreɪzioʊˈdɪmiəm]
140.9
60Nd
Neodymium
[nioʊˈdɪmiəm]
144.2
61Pm
Promethium
[prəˈmiθiəm]
(147)
62Sm
Samarium
[səˈmɛəriəm]
150.4
63Eu
Europium
[yʊˈroʊpiəm]
152.0
64Gd
Gadolinium
[ˌgædlˈɪniəm]
157.3
65Tb
Terbium
[ˈtɜrbiəm]
158.9
66Dy
Dysprosium
[dɪsˈproʊsiəm]
162.5
67Ho
Holmium
[ˈhoʊlmiəm]
164.9
68Er
Erbium
[ˈɜrbiəm]
167.3
69Tm
Thulium
[ˈθuliəm]
168.9
70Yb
Ytterbium
[ɪˈtɜrbiəm]
173.0
71Lu
Lutetium
[luˈtiʃiəm]
175.0
Actinides
90Th
Thorium
[ˈθɔriəm]
232.0
91Pa
Protactinium
[ˌproʊtækˈtɪniəm]
(231)
92U
Uranium
[yʊˈreɪniəm]
238.1
93Np
Neptunium
[nɛpˈtuniəm]
(237)
94Pu
Plutonium
[pluˈtoʊniəm]
(242)
95Am
Americium
[ˌæməˈrɪʃiəm]
(243)
96Cm
Curium
[ˈkyʊəriəm]
(247)
97Bk
Berkelium
[bərˈkiliəm]
(245)
98Cf
Californium
[ˌkæləˈfɔrniəm]
(251)
99Es
Einsteinium
[aɪnˈstaɪniəm]
(254)
100Fm
Fermium
[ˈfɜrmiəm]
(253)
101Md
Mendelevium
[ˌmɛndlˈiviəm]
(256)
102No
Nobelium
[noʊˈbɛliəm]
(254)
103Lr
Lawrencium
[lɔˈrɛnsiəm]
(257)
transition elements series