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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!
- Atomic Mass | Periodic Table of Elements - PubChem
Explore how atomic mass changes with atomic number in the periodic table of elements via interactive plots
- Moscovium | Mc (Element) - PubChem
This produced one atom of moscovium-287 and three atoms of moscovium-288 All four atoms quickly decayed into other elements Moscovium's most stable isotope, moscovium-289, has a half-life of about 220 milliseconds It decays into nihonium-285 through alpha decay
- Density | Periodic Table of Elements - PubChem
Explore how density changes with atomic number in the periodic table of elements via interactive plots
- GHS Classification Summary - PubChem
GHS, the Globally Harmonized System of Classification and Labeling of Chemicals, was developed by the United Nations as a way to bring into agreement the chemical regulations and standards of different countries GHS includes criteria for the classification of health, physical and environmental hazards, as well as specifying what information should be included on labels of hazardous chemicals
- Electronegativity | Periodic Table of Elements - PubChem
Explore how electronegativity changes with atomic number in the periodic table of elements via interactive plots
- Ionization Energy | Periodic Table of Elements - PubChem
Explore how ionization energy changes with atomic number in the periodic table of elements via interactive plots
- PERIODIC TABLE OF ELEMENTS - PubChem
PERIODIC TABLE OF ELEMENTSChemical Group Block 18
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