73 Ta Tantalum 180,95 u

Tantalum

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Periode
6
Gruppe
5
Block
d-Block
Phase (STP)
Solid

Tantalum is a hard, corrosion-resistant metal used in electronic capacitors and surgical implants. It is highly biocompatible.

About Tantalum

Hard, dense, and highly resistant to corrosion, tantalum (Ta) withstands attack by most acids, a durability that defines its applications. Element 73 lies in group 5 of period 6 in the d-block, with an atomic mass of 180.95, the electron configuration [Xe] 4f¹⁴ 5d³ 6s², and a Pauling electronegativity of 1.5. Its ability to form a thin, stable insulating oxide makes it the material of choice for the compact capacitors found in phones, computers, and other electronics. Because the metal is inert and well tolerated by the body, it is also used in surgical implants and instruments. Tantalum is solid at standard temperature and pressure.

Physikalische Eigenschaften

Atommasse 180.95 u
Phase bei STP Solid

Elektronische Eigenschaften

Elektronegativität 1.5

Elektronenkonfiguration

Konfiguration [Xe] 4f¹⁴ 5d³ 6s²

Electron Shell Configuration

Tantalum electron shell configuration Ta 2e⁻ 8e⁻ 18e⁻ 32e⁻ 11e⁻ 2e⁻
Electron shell structure of Tantalum — electrons per shell.
Shell Electrons
1 (K) 2
2 (L) 8
3 (M) 18
4 (N) 32
5 (O) 11
6 (P) 2

Position in Periodic Table

Tantalum position in the periodic table Ta

Block & Periode

Block

s p d f

Periode

1 2 3 4 5 6 7

Periodensystem

Lanthanide Actinide

Compounds Containing Tantalum

Tantalum Pentoxide

Ta₂O₅

Mehr Übergangsmetall

21 Sc Scandium 22 Ti Titanium 23 V Vanadium 24 Cr Chromium 25 Mn Manganese 26 Fe Iron 27 Co Cobalt 28 Ni Nickel 29 Cu Copper 30 Zn Zinc

Frequently Asked Questions

What is Tantalum?
Tantalum (Ta) is a chemical element with atomic number 73. It is a solid at standard temperature and pressure, classified as a übergangsmetall.
What are the key properties of Tantalum?
Tantalum has an atomic mass of 180.95 u.
What is the electron configuration of Tantalum?
The electron configuration of Tantalum is [Xe] 4f14 5d3 6s2. It is in the d-block of the periodic table.
What is the electronegativity of Tantalum?
Tantalum has an electronegativity of 1.5 on the Pauling scale.