Beta Decay of Iodine-131

¹³¹I → ¹³¹Xe + e⁻ + ν̄_e + γ

Tổng quan

Iodine-131 beta decays to xenon-131 with a half-life of 8.02 days, also emitting gamma radiation. I-131 concentrates in the thyroid gland due to the thyroid's uptake of iodine. This makes it both a medical tool (diagnostic and therapeutic) and a health hazard in nuclear accidents.

Người tham gia

Vai trò	Chất	Hệ số	Trạng thái
Chất phản ứng	Iodine I	1	(s)
Sản phẩm	Xenon Xe	1	(g)

Ví dụ thực tế

After the Chernobyl and Fukushima accidents, potassium iodide tablets were distributed to block I-131 uptake by saturating the thyroid with stable iodine.

Tầm quan trọng công nghiệp

I-131 is used to treat hyperthyroidism and thyroid cancer (radioiodine therapy), and in diagnostic thyroid scans.

Tính chất

Loại: Nuclear
Thuận nghịch: Không
Năng lượng: Tỏa nhiệt
ΔH: -97000000,0 kJ/mol

Phản ứng liên quan

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Frequently Asked Questions

What is the equation for Beta Decay of Iodine-131?

The balanced equation is: ¹³¹I → ¹³¹Xe + e⁻ + ν̄ₑ + γ.

What type of reaction is Beta Decay of Iodine-131?

Beta Decay of Iodine-131 is a nuclear reaction.

Is Beta Decay of Iodine-131 exothermic or endothermic?

Beta Decay of Iodine-131 is exothermic (releases energy). The enthalpy change (ΔH) is -97000000.0 kJ/mol.