氡
氡（Rn）的原子序数为 86，位于第 6 周期、第 18 族。
- 原子序数
- 86
- 符号
- Rn
- Also known as
- Rn, 氡, 氡元素
概览
Atoms of radon have 86 protons in the nucleus. Its position in period 6, group 18 provides the periodic context for comparing it with neighbouring elements.
Identifiers
- 原子序数
- 86
- 符号
- Rn
- Also known as
- Rn, 氡, 氡元素
性质
- 周期
- 6
- 族
- 18
- 类别（PubChem）
- 稀有气体
参考文献
- PubChem Periodic Table: element dataNational Center for Biotechnology Information · PubChem
Retrieved 2026-09-16. Supplies all 118 atomic numbers, symbols, English names and reference categories. Atomic masses and state predictions are not imported as molecular properties.
- Periodic Table of ElementsInternational Union of Pure and Applied Chemistry · IUPAC
the separately displayed lanthanoid and actinoid series.的参考文献 for accepted element names, symbols and periodic placement. Group numbers are omitted
- IUPAC化学元素周期表（中文版）中国化学会 · Chinese Chemical Society · 2019
Simplified-Chinese element names and periodic-table positions checked against the January 2019 source.
- 化學名詞—化學元素一覽表國家教育研究院化學名詞審譯委員會 · National Academy for Educational Research · 2017
Official 2017 revised list redistributed by 臺南市立將軍國民中學. The attached 20170818化學元素表.doc was downloaded and all 118 number/symbol/name rows checked. Component glyph descriptions are represented by their Unicode characters; documented regional names are retained as search aliases.
- Accessing the Chemical Elements Data from PubChemSunghwan Kim · IUPAC FAIR Chemistry Cookbook · 2024
Documents the PubChem element-data service, its 118-row coverage and derivation of periods from atomic numbers.