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  • Collection
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  • 13
  • 14
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  • 17
  • 18
  • turn
  • 1
  • 1 H Hydrogen 1.008
  • 2 He Helium 4.0026
  • 2
  • 3 Li Lithium 6.94
  • 4 Be Beryllium 9.012
  • C solid state
    Hg liquid state
    H gaseous state
    Rf unknown
    metals
    alkali metal
    alkaline earth metal
    ethinides
    actinides
    transition metal
    Post-transition metal
    metalloids
    Nonmetals
    Nonmetal
    halogen
    noble gas
  • 5 B Boron 10.81
  • 6 C Carbon 12.011
  • 7 N Nitrogen 14.006
  • 8 O Oxygen 15.999
  • 9 F Fluorine 18.998
  • 10 Ne Neon 20.179
  • 3
  • 11 Na Sodium 22.989
  • 12 Mg Magnesium 24.305
  • 13 Al Aluminium 26.981
  • 14 Si Silicon 28.085
  • 15 P Phosphorus 30.973
  • 16 S Sulphur 32.066
  • 17 Cl Chlorine 35.452
  • 18 Ar Argon 39.948
  • 4
  • 19 K Potassium 39.098
  • 20 Ca Calcium 40.078
  • 21 Sc Scandium 44.955
  • 22 Ti Titanium 47.88
  • 23 V Vanadium 50.941
  • 24 Cr Chromium 51.996
  • 25 Mn Manganese 54.938
  • 26 Fe Iron 55.847
  • 27 Co Cobalt 58.933
  • 28 Ni Nickel 58.69
  • 29 Cu Copper 63.546
  • 30 Zn Zinc 65.39
  • 31 Ga Gallium 69.723
  • 32 Ge Germanium 72.61
  • 33 As Arsenic 74.921
  • 34 Se Selenium 78.96
  • 35 Br Bromine 79.904
  • 36 Kr Krypton 83.8
  • 5
  • 37 Rb Rubidium 85.467
  • 38 Sr Strontium 87.62
  • 39 Y Yttrium 88.905
  • 40 Zr Zirconium 91.224
  • 41 Nb Niobium 92.906
  • 42 Mo Molybdenum 95.94
  • 43 Tc Technetium 98.906
  • 44 Ru Ruthenium 101.07
  • 45 Rh Rhodium 102.905
  • 46 Pd Palladium 106.42
  • 47 Ag Silver 107.868
  • 48 Cd Cadmium 112.411
  • 49 In Indium 114.82
  • 50 Sn Tin 118.71
  • 51 Sb Antimony 121.75
  • 52 Te Tellurium 127.6
  • 53 I Iodine 126.904
  • 54 Xe Xenon 131.29
  • 6
  • 55 Cs Caesium 132.905
  • 56 Ba Barium 137.327
  • La-Lu *
  • 72 Hf Hafnium 178.4
  • 73 Ta Tantalum 180.9479
  • 74 W Tungsten 183.85
  • 75 Re Rhenium 186.207
  • 76 Os Osmium 190.2
  • 77 Ir Iridium 192.22
  • 78 Pt Platinum 195.08
  • 79 Au Gold 196.966
  • 80 Hg Mercury 200.59
  • 81 Tl Thallium 204.383
  • 82 Pb Lead 207.2
  • 83 Bi Bismuth 208.980
  • 84 Po Polonium 208.982
  • 85 At Astatine 209.987
  • 86 Rn Radon 222.017
  • 7
  • 87 Fr Francium 223.0197
  • 88 Ra Radium 226.025
  • Ac-Lr **
  • 104 Rf Rutherfordium 261.108
  • 105 Db Dubnium 262.113
  • 106 Sg Seaborgium 263.118
  • 107 Bh Bohrium 262.122
  • 108 Hs Hassium 265
  • 109 Mt Meitnerium 266
  • 110 Ds Darmstadtium 269
  • 111 Rg Roentgenium 272
  • 112 Cn Copernicium 277
  • 113 Nh Nihonium -
  • 114 Fl Flerovium -
  • 115 Mc Moscovium -
  • 116 Lv Livermorium -
  • 117 Ts Tennessine -
  • 118 Og Oganesson -
  • 6
  • lanthanides *
  • 57 La Lanthanum 138.905
  • 58 Ce Cerium 140.115
  • 59 Pr Praseodymium 140.907
  • 60 Nd Neodymium 144.24
  • 61 Pm Promethium 146.915
  • 62 Sm Samarium 150.36
  • 63 Eu Europium 151.965
  • 64 Gd Gadolinium 157.25
  • 65 Tb Terbium 158.925
  • 66 Dy Dysprosium 162.5
  • 67 Ho Holmium 164.930
  • 68 Er Erbium 167.26
  • 69 Tm Thulium 168.934
  • 70 Yb Ytterbium 173.04
  • 71 Lu Lutetium 174.967
  • 7
  • actinides **
  • 89 Ac Actinium 227.027
  • 90 Th Thorium 232.038
  • 91 Pa Protactinium 231.035
  • 92 U Uranium 238.028
  • 93 Np Neptunium 237.048
  • 94 Pu Plutonium 244.064
  • 95 Am Americium 243.061
  • 96 Cm Curium 247.070
  • 97 Bk Berkelium 247.070
  • 98 Cf Californium 251.079
  • 99 Es Einsteinium 252.082
  • 100 Fm Fermium 257.095
  • 101 Md Mendelevium 258.098
  • 102 No Nobelium 259.100
  • 103 Lr Lawrencium 260.105
Hydrogen - هيدروجين
Symbol
H
Atomic Number
1
Atomic Mass
100794
Status at
Gas
Energy Levels
K=1, L=0, M=0, N=0, O=0
Electronegativity
2.2
Melting Point
-259.1
Boiling Point
14.01
Specific Heat
14.304
Sub-Level
Symbol Origin
Density at 20 °C
0.000084
Electronic Distribution
1s1
First Ionization Energy
1312
First Electron Affinity
-48
Recommended Wavelength
Year Of Discovery
Being In Nature
Discovery
Oxidation States
X-Ray Energies
-
Number Of Isotopes
7
Radius
25

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