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Q.

Atomic number of bismuth which belongs to 6th period is

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a

52

b

51

c

83

d

84

answer is C.

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Detailed Solution

  • Bismuth is a chemical element with symbol Bi and atomic number 83. It is a pentavalent post-transition metal and one of the pnictogens with chemical properties resembling its lighter homologs arsenic and antimony.
  • Atomic number of bismuth will be 2 + 8 + 8 + 18 + 18 + 14 + 15 = 83 
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