57
La
Lanthanum
138.91 u
Lanthanum
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คาบ
6
หมู่
—
บล็อก
f-บล็อก
สถานะ (STP)
Solid
Lanthanum is the first element in the lanthanide series. It is used in camera lenses, catalysts, and battery electrodes.
Compounds Containing Lanthanum
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Frequently Asked Questions
What is Lanthanum?
Lanthanum (La) is a chemical element with atomic number 57. It is a solid at standard temperature and pressure, classified as a แลนทาไนด์.
What are the key properties of Lanthanum?
Lanthanum has an atomic mass of 138.91 u.
What is the electron configuration of Lanthanum?
The electron configuration of Lanthanum is [Xe] 5d1 6s2. It is in the f-block of the periodic table.
What is the electronegativity of Lanthanum?
Lanthanum has an electronegativity of 1.1 on the Pauling scale.