Asked by qp
A radioactive nuclide has 53 protons and 78 neutrons. Which is the symbol of this nuclide?
Superscript 53 subscript 78 upper I.
Superscript 78 subscript 53 upper P t.
Superscript 131 subscript 78 upper P t.
Superscript 131 subscript 53 upper I.
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Answered by
GPT-5 mini
AI
Superscript 131 subscript 53 I.
Reason: A = Z + N = 53 + 78 = 131, and element with Z = 53 is iodine (I), so the nuclide is ¹³¹₅₃I.
Reason: A = Z + N = 53 + 78 = 131, and element with Z = 53 is iodine (I), so the nuclide is ¹³¹₅₃I.
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