Weller Dynamic Figure 26.2

Which of the group 13 elements are used in biological systems?

Dynamic figure 26.2 Periodic table showing the elements used by Biology. Green indicates largescale and widespread use, blue indicates elements that are only required (or suspected to be so) in ultratrace amounts, orange indicates elements that are used very rarely in cases where the normal element is too scarce.

  1. H 1
  2. 18
  3. 2
  4. 2
  5. B 13
  6. C 14
  7. N 15
  8. O 16
  9. F 17
  11. Na 3
  12. Mg
  14. Si
  15. P
  16. S
  17. Cl
  19. K 4
  20. Ca
  21. 3
  22. 4
  23. V 5
  24. Cr 6
  25. Mn 7
  26. Fe 8
  27. Co 9
  28. Ni 10
  29. Cu 11
  30. Zn 12
  34. Se
  35. Br
  37. 5
  42. Mo
  48. Cd
  53. I
  55. 6
  57. La
  58. Ce
  59. Pr
  60. Nd
  61. Pm
  62. Sm
  63. Eu
  64. Gd
  65. Tb
  66. Dy
  67. Ho
  68. Er
  69. Tm
  70. Yb
  71. Lu
  74. W
  87. Fr
  88. Ra
  89. Ac
  90. Th
  91. Pa
  92. U
  93. Np
  94. Up
  95. Am
  96. Cm
  97. Bk
  98. Cf
  99. Es
  100. Fm
  101. Md
  102. No
  103. Lr
  104. Rf
  105. Db
  106. Sg
  107. Bh
  108. Hs
  109. Mt
  110. Ds
  111. Rg
  112. Cn
  113. Cn
  114. Fl
  115. Mc
  116. Lv
  117. Ts
  118. Og
▲
Large-scale and widespread use
●
Only required in ultratrace amounts
■
Used very rarely in cases where the normal element is too scarce

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