17
Cl
Chlorine
35,45 u
Chlorine
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Chu kỳ
3
Nhóm
17
Khối
p-khối
Pha (STP)
Gas
Chlorine is a highly reactive halogen used extensively in water purification. It is the second lightest halogen and an essential element for life.
Ngoại quan: Pale yellow-green gas
Compounds Containing Chlorine
Thêm Halogen
Frequently Asked Questions
What is Chlorine?
Chlorine (Cl) is a chemical element with atomic number 17. It is a gas at standard temperature and pressure, classified as a halogen.
What are the key properties of Chlorine?
Chlorine has an atomic mass of 35.45 u, density of 0.003214 g/cm³, melting point of -101.5°C, boiling point of -34.0°C.
What is the electron configuration of Chlorine?
The electron configuration of Chlorine is [Ne] 3s2 3p5. It is in the p-block of the periodic table.
Who discovered Chlorine?
Chlorine was discovered by Carl Wilhelm Scheele in 1774.
What is the electronegativity of Chlorine?
Chlorine has an electronegativity of 3.16 on the Pauling scale.