What are the basic properties of Argon?
Argon (symbol: Ar) is a noble gas with atomic number 18. Its atomic mass is 39.948 u, and it belongs to period 3 and group 18.
Argon (Ar) Properties and Facts
Element 18 - Noble Gas
What is the electron configuration of Argon?
The electron configuration is: 1s² 2s² 2p⁶ 3s² 3p⁶
What are the physical properties of Argon?
Melting point: 83.8 K
Boiling point: 87.3 K
Density: 0.001784 g/cm³
What are the known isotopes of Argon?
- Ar-36: 0.334% abundance
- Ar-38: 0.063% abundance
- Ar-40: 99.603% abundance
What is the biological role and occurrence of Argon?
Biological role: Not known
Natural occurrence: Third most abundant gas in Earth's atmosphere