The periodic table is the most important chemistry references there is, and is used in almost every chemistry class in schools all over the world. It arranges all the known elements that make up the universe in an informative array from left to right and top to bottom in order of increasing atomic number. How many elements are there? Currently, there are 109 known elements. The different rows of elements are called periods. The period number of an element signifies the highest energy level an electron in that element occupies. Using the data in the periodic table scientists, students, teachers and others can extract information concerning individual elements to learn more about the world and the things in it. Below you will find the list of elements, their symbol and their atomic number (The number of protons in an atom. Each element is uniquely defined by its atomic number).List of Elements in the Periodic Table
HydrogenSymbol: H
Atomic Number: 1
Helium
Symbol: He
Atomic Number: 2
Lithium
Symbol: Li
Atomic Number: 3
Beryllium
Symbol: Be
Atomic Number: 4
Boron
Symbol: B
Atomic Number: 5
Carbon
Symbol: C
Atomic Number: 6
Nitrogen
Symbol: N
Atomic Number: 7
Oxygen
Symbol: O
Atomic Number: 8
Fluorine
Symbol: F
Atomic Number: 9
Neon
Symbol: Ne
Atomic Number: 10
Sodium
Symbol: Na
Atomic Number: 11
Magnesium
Symbol: Mg
Atomic Number: 12
Aluminum
Symbol: Al
Atomic Number: 13
Silicon
Symbol: Si
Atomic Number: 14
Phosphorus
Symbol: P
Atomic Number: 15
Sulfur
Symbol: S
Atomic Number: 16
Chlorine
Symbol: Cl
Atomic Number: 17
Argon
Symbol: Ar
Atomic Number: 18
Potassium
Symbol: K
Atomic Number: 19
Calcium
Symbol: Ca
Atomic Number: 20
Scandium
Symbol: Sc
Atomic Number: 21
Titanium
Symbol: Ti
Atomic Number: 22
Vanadium
Symbol: V
Atomic Number: 23
Chromium
Symbol: Cr
Atomic Number: 24
Manganese
Symbol: Mn
Atomic Number: 25
Iron
Symbol: Fe
Atomic Number: 26
Cobalt
Symbol: Co
Atomic Number: 27
Nickel
Symbol: Ni
Atomic Number: 28
Copper
Symbol: Cu
Atomic Number: 29
Zinc
Symbol: Zn
Atomic Number: 30
Gallium
Symbol: Ga
Atomic Number: 31
Germanium
Symbol: Ge
Atomic Number: 32
Arsenic
Symbol: As
Atomic Number: 33
Selenium
Symbol: Se
Atomic Number: 34
Bromine
Symbol: Br
Atomic Number: 35
Krypton
Symbol: Kr
Atomic Number: 36
Rubidium
Symbol: Rb
Atomic Number: 37
Strontium
Symbol: Sr
Atomic Number: 38
Yttrium
Symbol: Y
Atomic Number: 39
Zirconium
Symbol: Zr
Atomic Number: 40
Niobium
Symbol: Nb
Atomic Number: 41
Molybdenum
Symbol: Mo
Atomic Number: 42
Technetium
Symbol: Tc
Atomic Number: 43
Ruthenium
Symbol: Ru
Atomic Number: 44
Rhodium
Symbol: Rh
Atomic Number: 45
Palladium
Symbol: Pd
Atomic Number: 46
Silver
Symbol: Ag
Atomic Number: 47
Cadmium
Symbol: Cd
Atomic Number: 48
Indium
Symbol: In
Atomic Number: 49
Tin
Symbol: Sn
Atomic Number: 50
Antimony
Symbol: Sb
Atomic Number: 51
Tellurium
Symbol: Te
Atomic Number: 52
Iodine
Symbol: I
Atomic Number: 53
Xenon
Symbol: Xe
Atomic Number: 54
Cesium
Symbol: Cs
Atomic Number: 55
Barium
Symbol: Ba
Atomic Number: 56
Lanthanum
Symbol: La
Atomic Number: 57
Cerium
Symbol: Ce
Atomic Number: 58
Praseodymium
Symbol: Pr
Atomic Number: 59
Neodymium
Symbol: Nd
Atomic Number: 60
Promethium
Symbol: Pm
Atomic Number: 61
Samarium
Symbol: Sm
Atomic Number: 62
Europium
Symbol: Eu
Atomic Number: 63
Gadolinium
Symbol: Gd
Atomic Number: 64
Terbium
Symbol: Tb
Atomic Number: 65
Dysprosium
Symbol: Dy
Atomic Number: 66
Holmium
Symbol: Ho
Atomic Number: 67
Erbium
Symbol: Er
Atomic Number: 68
Thulium
Symbol: Tm
Atomic Number: 69
Ytterbium
Symbol: Yb
Atomic Number: 70
Lutetium
Symbol: Lu
Atomic Number: 71
Hafnium
Symbol: Hf
Atomic Number: 72
Tantalum
Symbol: Ta
Atomic Number: 73
Tungsten
Symbol: W
Atomic Number: 74
Rhenium
Symbol: Re
Atomic Number: 75
Osmium
Symbol: Os
Atomic Number: 76
Iridium
Symbol: Ir
Atomic Number: 77
Platinum
Symbol: Pt
Atomic Number: 78
Gold
Symbol: Au
Atomic Number: 79
Mercury
Symbol: Hg
Atomic Number: 80
Thallium
Symbol: Tl
Atomic Number: 81
Lead
Symbol: Pb
Atomic Number: 82
Bismuth
Symbol: Bi
Atomic Number: 83
Polonium
Symbol: Po
Atomic Number: 84
Astatine
Symbol: At
Atomic Number: 85
Radon
Symbol: Rn
Atomic Number: 86
Francium
Symbol: Fr
Atomic Number: 87
Radium
Symbol: Ra
Atomic Number: 88
Actinium
Symbol: Ac
Atomic Number: 89
Thorium
Symbol: Th
Atomic Number: 90
Protactinium
Symbol: Pa
Atomic Number: 91
Uranium
Symbol: U
Atomic Number: 92
Neptunium
Symbol: Np
Atomic Number: 93
Plutonium
Symbol: Pu
Atomic Number: 94
Americium
Symbol: Am
Atomic Number: 95
Curium
Symbol: Cm
Atomic Number: 96
Berkelium
Symbol: Bk
Atomic Number: 97
Californium
Symbol: Cf
Atomic Number: 98
Einsteinium
Symbol: Es
Atomic Number: 99
Fermium
Symbol: Fm
Atomic Number: 100
Mendelevium
Symbol: Md
Atomic Number: 101
Nobelium
Symbol: No
Atomic Number: 102
Lawrencium
Symbol: Lr
Atomic Number: 103
Rutherfordium
Symbol: Rf
Atomic Number: 104
Dubnium
Symbol: Db
Atomic Number: 105
Seaborgium
Symbol: Sg
Atomic Number: 106
Borhium
Symbol: Bh
Atomic Number: 107
Hassium
Symbol: Hs
Atomic Number: 108
Meitnerium
Symbol: Mt
Atomic Number: 109
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