Chemistry

Описание

Periodic Tabic of the Elements
Mam {Jioiip
Main gioiij)
Period IA
number |
~~I Ciniup
_J number
Lithium
6.941
Sodium
22.99
Beryllium
9.012
Magnesium
24.31
Atomic number
_-*-6
►Carbon
12.01 •
..Symbol
- Average
atomic mass
Transitional metals
Boron
10.81
Aluminum
26.98
Carbon
12.01
Silicon
28.09
Nitrogen
14.01
Phosphorus
30.97
Oxygen
16.00
Sulfur
32.07
Fluorine
19.00
Chlorine
35.45
Helium
4.003
Neon
20.18
Argon
39.95
Potassium
39.10
Calcium
40.08
Scandium
44.96
Titanium
47.87
Vanadium
50.94
Chromium
52.00
Manganese
54.94
Irun
55.85
Cobalt
58.93
Nickel
58.69
Copper
63.55
Zinc
65.41
Gallium
69.72
Germanium
72.64
Arsenic
74.92
Selenium
78.96
Bromine
79.90
Krypton
83.80
Rubidium
85.47
Strontium
87.62
Yttrium
88.91
Zirconium
91.22
Niobium
92.91
Molybdenum
95.94
Technetium
(98)
Ruthenium
101.1
Rhudiuin
102.9
Palladium
106.4
Silver
107.9
Cadmium
112.4
Indium
114.8
118.7
Antimony
121.8
Tellurium
127.6
Iodine
126.9
Xenon
131.3
Cesium
132.9
Barium
137.3
Lutetium
175.0
Hafnium
178.5
Tantalum
180.9
Tungsten
183.8
Rhenium
186.2
Osmium
190.2
liidiuin
192.2
Platinum
195.1
Gold
197.0
Mercury
200.6
Thallium
204.4
Lead
207.2
Bismuth
209.0
Polonium
(209)
Astatine
(210)
Radon
(222)
Francium
(223)
Radium
(226)
Lawrencium
(262)
Ruttafordium
(261)
Dubnium
(262)
Seaborgium
(266)
Bohrium
(264)
Hassimn
(269)
Meitnerium
(268)
Damn.sUidtium
(281)
Roentgenium
(272)
(285)
(284) (289) (288) (292)
(294)
Lanthanum
138.9
Actinium
(227)
Cerium
140.1
Thorium
232.0
Praseodymium
140.9
Protactinium
231.0
Neodymium
144.2
Uranium
238.0
Piomethium
(145)
Neptunium
(237)
Samarium
150.4
Plutonium
(244)
Europium
152.0
Americium
(243)
Gadolium
157.3
Curium
(247)
Terbium
158.9
Berkelium
(247)
Dysprosium
162.5
Californium
(251)
Holmium
164.9
Einsteinium
(252)
Erbium
167.3
Ferinium
(257)
Thulium
168.9
Mendelevium
(258)
Ytterbium
173.0
Nobelium

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