Atomic Number of Terbium

Terbium Atomic Number

Atomic Number of Terbium is 65.

Chemical symbol for Terbium is Tb. Number of protons in Terbium is 65. Atomic weight of Terbium is 158.92535 u or g/mol. Melting point of Terbium is 1360 °C and its the boiling point is 3041 °C.

» Boiling Point » Melting Point » Abundant » State at STP » Discovery Year

About Terbium

Terbium is a chemical element discovered in the middle of the 19th century and named after a small town in Sweden. It is a silvery soft and quire reactive metal which forms its oxide when contacting with air. It occurs in its natural form on our planet and can be extracted from various minerals like euxenites, but it can also be produced artificially. Terbium is not toxic and does not play an important biological role. Terbium is used in compounds with other elements in such industries as electronics, medicine, chemical industry, and so on.

Properties of Terbium Element

Atomic Number (Z)65
Atomic SymbolTb
Atomic Weight158.92535 u
Density8.229 g/cm3
Melting Point (K)1629 K
Melting Point (℃)1360 °C
Boiling Point (K)3503 K
Boiling Point (℃)3041 °C
Heat Capacity0.182 J/g · K
Abundance1.2 mg/kg
State at STPSolid
Electronegativity (Pauling) χno data
Ionization Energy (eV)5.8638
Atomic Radius175pm
Covalent Radiusno datapm
Valence Electrons2
Year of Discovery1843

What is the Boiling Point of Terbium?

Terbium boiling point is 3041 °C. Boiling point of Terbium in Kelvin is 3503 K.

What is the Melting Point of Terbium?

Terbium melting point is 1360 °C. Melting point of Terbium in Kelvin is 1629 K.

How Abundant is Terbium?

Abundant value of Terbium is 1.2 mg/kg.

What is the State of Terbium at Standard Temperature and Pressure (STP)?

State of Terbium is Solid at standard temperature and pressure at 0℃ and one atmosphere pressure.

When was Terbium Discovered?

Terbium was discovered in 1843.

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