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安裝中文字典英文字典辭典工具!
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- Periodic Table of Elements - PubChem
Interactive periodic table with up-to-date element property data collected from authoritative sources Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or even test your elements knowledge by playing a periodic table game!
- Periodic Table - PubChem
As we mark the 150th anniversary of the periodic table, the scientific community has declared 2019 to be “The International Year of the Periodic Table” PubChem is celebrating by launching the PubChem Periodic Table and corresponding Element pages
- Atomic Mass | Periodic Table of Elements - PubChem
Explore how atomic mass changes with atomic number in the periodic table of elements via interactive plots
- PubChem
PubChem is the world's largest collection of freely accessible chemical information Search chemicals by name, molecular formula, structure, and other identifiers Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more
- Melting Point | Periodic Table of Elements - PubChem
Explore how melting point changes with atomic number in the periodic table of elements via interactive plots
- Electronegativity | Periodic Table of Elements - PubChem
Explore how electronegativity changes with atomic number in the periodic table of elements via interactive plots
- Density | Periodic Table of Elements - PubChem
Explore how density changes with atomic number in the periodic table of elements via interactive plots
- Electron Affinity | Periodic Table of Elements - PubChem
Explore how electron affinity changes with atomic number in the periodic table of elements via interactive plots
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