69
Tm
Thulium
168,93 u
Thulium
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Chu kỳ
6
Nhóm
—
Khối
f-khối
Pha (STP)
Solid
Thulium is the least abundant lanthanide in Earth's crust. It is used in portable X-ray devices and solid-state lasers.
Thêm Lanthanide
Frequently Asked Questions
What is Thulium?
Thulium (Tm) is a chemical element with atomic number 69. It is a solid at standard temperature and pressure, classified as a lanthanide.
What are the key properties of Thulium?
Thulium has an atomic mass of 168.93 u.
What is the electron configuration of Thulium?
The electron configuration of Thulium is [Xe] 4f13 6s2. It is in the f-block of the periodic table.
What is the electronegativity of Thulium?
Thulium has an electronegativity of 1.25 on the Pauling scale.