Chemical elements of the periodic table arranged by atomic number
| Atomic number |
Symbol |
Element |
ElectroÂnegativity |
| 1 |
H |
Hydrogen |
2.2 |
| 2 |
He |
Helium |
|
| 3 |
Li |
Lithium |
0.98 |
| 4 |
Be |
Beryllium |
1.57 |
| 5 |
B |
Boron |
2.04 |
| 6 |
C |
Carbon |
2.55 |
| 7 |
N |
Nitrogen |
3.04 |
| 8 |
O |
Oxygen |
3.44 |
| 9 |
F |
Fluorine |
3.98 |
| 10 |
Ne |
Neon |
|
| 11 |
Na |
Sodium |
0.93 |
| 12 |
Mg |
Magnesium |
1.31 |
| 13 |
Al |
Aluminium
|
1.61 |
| 14 |
Si |
Silicon |
1.9 |
| 15 |
P |
Phosphorus |
2.19 |
| 16 |
S |
Sulfur |
2.58 |
| 17 |
Cl |
Chlorine |
3.16 |
| 18 |
Ar
|
Argon |
|
| 19 |
K |
Potassium |
0.82 |
| 20 |
Ca |
Calcium |
1 |
| 21 |
Sc |
Scandium |
1.36 |
| 22 |
Ti
|
Titanium |
1.54 |
| 23 |
V |
Vanadium |
1.63 |
| 24 |
Cr |
Chromium |
1.66 |
| 25 |
Mn |
Manganese |
1.55 |
| 26 |
Fe |
Iron |
1.83 |
| 27 |
Co |
Cobalt |
1.88 |
| 28 |
Ni |
Nickel |
1.91 |
| 29 |
Cu |
Copper |
1.9 |
| 30 |
Zn |
Zinc |
1.65 |
| 31 |
Ga |
Gallium |
1.81 |
| 32 |
Ge |
Germanium |
2.01 |
| 33 |
As |
Arsenic |
2.18 |
| 34 |
Se |
Selenium |
2.55 |
| 35 |
Br |
Bromine |
2.96 |
| 36 |
Kr |
Krypton |
3 |
| 37 |
Rb
|
Rubidium |
0.82 |
| 38 |
Sr |
Strontium |
0.95 |
| 39 |
Y |
Yttrium |
1.22 |
| 40 |
Zr
|
Zirconium |
1.33 |
| 41 |
Nb
|
Niobium |
1.6 |
| 42 |
Mo |
Molybdenum |
2.16 |
| 43 |
Tc |
Technetium |
1.9 |
| 44 |
Ru |
Ruthenium |
2.2 |
| 45 |
Rh |
Rhodium |
2.28 |
| 46 |
Pd |
Palladium |
2.2 |
| 47 |
Ag |
Silver |
1.93 |
| 48 |
Cd |
Cadmium |
1.69 |
| 49 |
In |
Indium |
1.78 |
| 50 |
Sn |
Tin |
1.96 |
| 51 |
Sb |
Antimony |
2.05 |
| 52 |
Te
|
Tellurium |
2.1 |
| 53 |
I |
Iodine |
2.66 |
| 54 |
Xe
|
Xenon |
2.6 |
| 55 |
Cs |
Caesium
|
0.79 |
| 56 |
Ba |
Barium |
0.89 |
| 57 |
La |
Lanthanum |
1.1 |
| 58 |
Ce |
Cerium |
1.12 |
| 59 |
Pr
|
Praseodymium |
1.13 |
| 60 |
Nd |
Neodymium |
1.14 |
| 61 |
Pm |
Promethium |
1.13 |
| 62 |
Sm
|
Samarium |
1.17 |
| 63 |
Eu |
Europium |
1.2 |
| 64 |
Gd
|
Gadolinium |
1.2 |
| 65 |
Tb |
Terbium |
1.2 |
| 66 |
Dy |
Dysprosium |
1.22 |
| 67 |
Ho |
Holmium |
1.23 |
| 68 |
Er
|
Erbium |
1.24 |
| 69 |
Tm |
Thulium |
1.25 |
| 70 |
Yb
|
Ytterbium |
1.1 |
| 71 |
Lu |
Lutetium |
1.27 |
| 72 |
Hf |
Hafnium |
1.3 |
| 73 |
Ta |
Tantalum |
1.5 |
| 74 |
W |
Tungsten |
2.36 |
| 75 |
Re |
Rhenium |
1.9 |
| 76 |
Os
|
Osmium |
2.2 |
| 77 |
Ir
|
Iridium |
2.2 |
| 78 |
Pt |
Platinum |
2.28 |
| 79 |
Au |
Gold |
2.54 |
| 80 |
Hg |
Mercury |
2 |
| 81 |
Tl |
Thallium |
1.62 |
| 82 |
Pb |
Lead |
1.87 |
| 83 |
Bi |
Bismuth |
2.02 |
| 84 |
Po |
Polonium |
2 |
| 85 |
At |
Astatine |
2.2 |
| 86 |
Rn |
Radon |
2.2 |
| 87 |
Fr |
Francium |
0.7 |
| 88 |
Ra |
Radium |
0.9 |
| 89 |
Ac |
Actinium |
1.1 |
| 90 |
Th |
Thorium |
1.3 |
| 91 |
Pa |
Protactinium |
1.5 |
| 92 |
U |
Uranium |
1.38 |
| 93 |
Np |
Neptunium |
1.36 |
| 94 |
Pu |
Plutonium |
1.28 |
| 95 |
Am |
Americium |
1.13 |
| 96 |
Cm |
Curium |
1.28 |
| 97 |
Bk |
Berkelium |
1.3 |
| 98 |
Cf
|
Californium |
1.3 |
| 99 |
Es |
Einsteinium |
1.3 |
| 100 |
Fm
|
Fermium |
1.3 |
| 101 |
Md |
Mendelevium |
1.3 |
| 102 |
No |
Nobelium |
1.3 |
| 103 |
Lr
|
Lawrencium |
1.3 |
| 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
|
|
| 114 |
Fl |
Flerovium |
|
| 115 |
Mc |
Moscovium
|
|
| 116 |
Lv
|
Livermorium |
|
| 117 |
Ts |
Tennessine
|
|
| 118 |
Og
|
Oganesson
|
|