Tabelul Periodic al Elementelor

Don't like ads? No problem! PTEU will always be free for everyone. Find yourself here daily? Consider either unblocking the single ad banner, donating $1 a month (donor log in)
    Search for:
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15Pnictogen
    16Calcogen
    17Halogeni
    18
    Culoare
    Scară
    s
    block
    p
    block
    d
    block
    f
    block
    1s
    2s
    3s
    4s
    5s
    6s
    7s
    2p
    3p
    4p
    5p
    6p
    7p
    3d
    4d
    5d
    6d
    4f
    5f
    Atomic Simbol NumeMasa
    1
  1. 1 H Hidrogen1,008
  2. 2 He Heliu4,0026
    3. 2
  3. 3 Li Litiu6,94
  4. 4 Be Beriliu9,0122
  5. 5 B Bor10,81
  6. 6 C Carbon12,011
  7. 7 N Azot14,007
  8. 8 O Oxigen15,999
  9. 9 F Fluor18,998
  10. 10 Ne Neon20,180
    11. 3
  11. 11 Na Sodiu22,990
  12. 12 Mg Magneziu24,305
  13. 13 Al Aluminiu26,982
  14. 14 Si Siliciu28,085
  15. 15 P Fosfor30,974
  16. 16 S Sulf32,06
  17. 17 Cl Clor35,45
  18. 18 Ar Argon39,948
    19. 4
  19. 19 K Potasiu39,098
  20. 20 Ca Calciu40,078
  21. 21 Sc Scandiu44,956
  22. 22 Ti Titan47,867
  23. 23 V Vanadiu50,942
  24. 24 Cr Crom51,996
  25. 25 Mn Mangan54,938
  26. 26 Fe Fier55,845
  27. 27 Co Cobalt58,933
  28. 28 Ni Nichel58,693
  29. 29 Cu Cupru63,546
  30. 30 Zn Zinc65,38
  31. 31 Ga Galiu69,723
  32. 32 Ge Germaniu72,630
  33. 33 As Arsen74,922
  34. 34 Se Seleniu78,971
  35. 35 Br Brom79,904
  36. 36 Kr Kripton83,798
    37. 5
  37. 37 Rb Rubidiu85,468
  38. 38 Sr Stronțiu87,62
  39. 39 Y Ytriu88,906
  40. 40 Zr Zirconiu91,224
  41. 41 Nb Niobiu92,906
  42. 42 Mo Molibden95,95
  43. 43 Tc Technețiu(98)
  44. 44 Ru Ruteniu101,07
  45. 45 Rh Rodiu102,91
  46. 46 Pd Paladiu106,42
  47. 47 Ag Argint107,87
  48. 48 Cd Cadmiu112,41
  49. 49 In Indiu114,82
  50. 50 Sn Staniu118,71
  51. 51 Sb Stibiu121,76
  52. 52 Te Telur127,60
  53. 53 I Iod126,90
  54. 54 Xe Xenon131,29
    55. 6
  55. 55 Cs Cesiu132,91
  56. 56 Ba Bariu137,33
    57. 57–71
    6
  57. 57 La Lantan138,91
  58. 58 Ce Ceriu140,12
  59. 59 Pr Praseodim140,91
  60. 60 Nd Neodim144,24
  61. 61 Pm Promețiu(145)
  62. 62 Sm Samariu150,36
  63. 63 Eu Europiu151,96
  64. 64 Gd Gadoliniu157,25
  65. 65 Tb Terbiu158,93
  66. 66 Dy Disprosiu162,50
  67. 67 Ho Holmiu164,93
  68. 68 Er Erbiu167,26
  69. 69 Tm Tuliu168,93
  70. 70 Yb Yterbiu173,05
  71. 71 Lu Lutețiu174,97
  72. 72 Hf Hafniu178,49
  73. 73 Ta Tantal180,95
  74. 74 W Wolfram183,84
  75. 75 Re Reniu186,21
  76. 76 Os Osmiu190,23
  77. 77 Ir Iridiu192,22
  78. 78 Pt Platină195,08
  79. 79 Au Aur196,97
  80. 80 Hg Mercur200,59
  81. 81 Tl Taliu204,38
  82. 82 Pb Plumb207,2
  83. 83 Bi Bismut208,98
  84. 84 Po Poloniu(209)
  85. 85 At Astatin(210)
  86. 86 Rn Radon(222)
    87. 7
  87. 87 Fr Franciu(223)
  88. 88 Ra Radiu(226)
    89. 89–103
    7
  89. 89 Ac Actiniu(227)
  90. 90 Th Thoriu232,04
  91. 91 Pa Protactiniu231,04
  92. 92 U Uraniu238,03
  93. 93 Np Neptuniu(237)
  94. 94 Pu Plutoniu(244)
  95. 95 Am Americiu(243)
  96. 96 Cm Curiu(247)
  97. 97 Bk Berkeliu(247)
  98. 98 Cf Californiu(251)
  99. 99 Es Einsteiniu(252)
  100. 100 Fm Fermiu(257)
  101. 101 Md Mendeleviu(258)
  102. 102 No Nobeliu(259)
  103. 103 Lr Lawrenciu(266)
  104. 104 Rf Rutherfordiu(267)
  105. 105 Db Dubniu(268)
  106. 106 Sg Seaborgiu(269)
  107. 107 Bh Bohriu(270)
  108. 108 Hs Hassiu(277)
  109. 109 Mt Meitneriu(278)
  110. 110 Ds Darmstadtiu(281)
  111. 111 Rg Roentgeniu(282)
  112. 112 Cn Coperniciu(285)
  113. 113 Nh Nihoniu(286)
  114. 114 Fl Fleroviu(289)
  115. 115 Mc Moscoviu(290)
  116. 116 Lv Livermoriu(293)
  117. 117 Ts Tennessin(294)
  118. 118 Og Oganesson(294)
    119. Pentru elementele care nu au isotopi stabili, numărul de masă al izotopului cu cea mai mare durată de înjumătățire este între paranteze.