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It is a reference document that I use in class. i use the black and white one my professor gives us for exams.
Typology: Cheat Sheet
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© 2015 Todd Helmenstine sciencenotes.org
1
Hydrogen
3
Lithium
4
Beryllium
11
Sodium
12
Magnesium
19
Potassium
20
Calcium
21
Scandium
22
Titanium
23
Vanadium
24
Chromium
25
Manganese
26
Iron
27
Cobalt
28
Nickel
29
Copper
30
Zinc
31
Gallium
13
Aluminum
5
Boron
32
Germanium
14
Silicon
6
Carbon
33
Arsenic
15
Phosphorus
7
Nitrogen
34
Selenium
16
Sulfur
8
Oxygen
35
Bromine
17
Chlorine
9
Fluorine
36
Krypton
18
Argon
10
Neon
2
Helium
37
Rubidium
38
Strontium
39
Yttrium
40
Zirconium
41
Niobium
42
Molybdenum
43
Technetium
44
Ruthenium
45
Rhodium
46
Palladium
47
Silver
48
Cadmium
49
Indium
50
Tin
51
Antimony
52
Tellurium
53
Iodine
54
Xenon
55
Cesium
56
Barium
57-71 72
Hafnium
73
Tantalum
74
Tungsten
75
Rhenium
76
Osmium
77
Iridium
78
Platinum
79
Gold
80
Mercury
81
Thallium
82
Lead
83
Bismuth
84
Polonium [208.982]
85
Astatine
86
Radon
87
Francium
88
Radium
89-
57
Lanthanum
58
Cerium
59
Praseodymium
60
Neodymium
61
Promethium
62
Samarium
63
Europium
64
Gadolinium
65
Terbium
66
Dysprosium
67
Holmium
68
Erbium
69
Thulium
70
Ytterbium
71
Lutetium
89
Actinium
90
Thorium
91
Protactinium
92
Uranium
93
Neptunium
94
Plutonium
95
Americium
96
Curium
97
Berkelium
98
Californium
99
Einsteinium [254]
100
Fermium
101
Mendelevium
102
Nobelium
103
Lawrencium [262]
104
Rutherfordium [261]
105
Dubnium [262]
106
Seaborgium [266]
107
Bohrium [264]
108
Hassium [269]
109
Meitnerium [268]
110
Darmstadtium [269]
111
Roentgenium [272]
112
Copernicium [277]
113
Ununtrium unknown
114
Flerovium [289]
115
Ununpentium unknown
116
Livermorium [298]
117
Ununseptium unknown
118
Ununoctium unknown
Atomic Number
Atomic Mass
Name