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Physical Science Formulas
Periodic Table
Periodic Table Practice
Hydrogen
H
Atomic Number:
1
Mass:
1.008 a.m.u.
Valence Electrons:
1
Category:
Diatomic Nonmetal
View Detailed Info
1
H
Hydrogen
1+
2
He
Helium
0
3
Li
Lithium
1+
4
Be
Beryllium
2+
5
B
Boron
3+
6
C
Carbon
4±
7
N
Nitrogen
3-
8
O
Oxygen
2-
9
F
Fluorine
1-
10
Ne
Neon
0
11
Na
Sodium
1+
12
Mg
Magnesium
2+
13
Al
Aluminium
3+
14
Si
Silicon
4±
15
P
Phosphorus
3-
16
S
Sulfur
2-
17
Cl
Chlorine
1-
18
Ar
Argon
0
19
K
Potassium
1+
20
Ca
Calcium
2+
21
Sc
Scandium
?
22
Ti
Titanium
?
23
V
Vanadium
?
24
Cr
Chromium
?
25
Mn
Manganese
?
26
Fe
Iron
?
27
Co
Cobalt
?
28
Ni
Nickel
?
29
Cu
Copper
?
30
Zn
Zinc
?
31
Ga
Gallium
3+
32
Ge
Germanium
4±
33
As
Arsenic
3-
34
Se
Selenium
2-
35
Br
Bromine
1-
36
Kr
Krypton
0
37
Rb
Rubidium
1+
38
Sr
Strontium
2+
39
Y
Yttrium
?
40
Zr
Zirconium
?
41
Nb
Niobium
?
42
Mo
Molybdenum
?
43
Tc
Technetium
?
44
Ru
Ruthenium
?
45
Rh
Rhodium
?
46
Pd
Palladium
?
47
Ag
Silver
?
48
Cd
Cadmium
?
49
In
Indium
3+
50
Sn
Tin
4±
51
Sb
Antimony
3-
52
Te
Tellurium
2-
53
I
Iodine
1-
54
Xe
Xenon
0
55
Cs
Cesium
1+
56
Ba
Barium
2+
72
Hf
Hafnium
?
73
Ta
Tantalum
?
74
W
Tungsten
?
75
Re
Rhenium
?
76
Os
Osmium
?
77
Ir
Iridium
?
78
Pt
Platinum
?
79
Au
Gold
?
80
Hg
Mercury
?
81
Tl
Thallium
3+
82
Pb
Lead
4±
83
Bi
Bismuth
3-
84
Po
Polonium
2-
85
At
Astatine
1-
86
Rn
Radon
0
87
Fr
Francium
1+
88
Ra
Radium
2+
104
Rf
Rutherfordium
?
105
Db
Dubnium
?
106
Sg
Seaborgium
?
107
Bh
Bohrium
?
108
Hs
Hassium
?
109
Mt
Meitnerium
?
110
Ds
Darmstadtium
?
111
Rg
Roentgenium
?
112
Cn
Copernicium
?
113
Nh
Nihonium
3+
114
Fl
Flerovium
4±
115
Mc
Moscovium
3-
116
Lv
Livermorium
2-
117
Ts
Tennessine
1-
118
Og
Oganesson
0
57
La
Lanthanum
?
58
Ce
Cerium
?
59
Pr
Praseodymium
?
60
Nd
Neodymium
?
61
Pm
Promethium
?
62
Sm
Samarium
?
63
Eu
Europium
?
64
Gd
Gadolinium
?
65
Tb
Terbium
?
66
Dy
Dysprosium
?
67
Ho
Holmium
?
68
Er
Erbium
?
69
Tm
Thulium
?
70
Yb
Ytterbium
?
71
Lu
Lutetium
?
89
Ac
Actinium
?
90
Th
Thorium
?
91
Pa
Protactinium
?
92
U
Uranium
?
93
Np
Neptunium
?
94
Pu
Plutonium
?
95
Am
Americium
?
96
Cm
Curium
?
97
Bk
Berkelium
?
98
Cf
Californium
?
99
Es
Einsteinium
?
100
Fm
Fermium
?
101
Md
Mendelevium
?
102
No
Nobelium
?
103
Lr
Lawrencium
?
