Tantalum-181 isotope (Ta-181 isotope, 181Ta isotope)
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Properties of 181Ta Isotope: | 181Ta |
---|---|
Natural Abundance (%) | 99.988 |
Atomic Mass (Da) | 180.9479958 |
Relative Isotopic Mass | 180.9479958 |
Neutron Number (N) | 108 |
Atomic Number (Z) | 73 |
Mass Number (A) | 181 |
Nucleon Number (A) | 181 |
Proton Number (Z) | 73 |
Half-life | Stable |
Spin | 3.5 |
Quadrupole Moment | 3.17 |
g-factor (g value) | 0.67729 |
Group | 5 |
Period | 6 |
Electron Configuration Block | d |
Melting Point (K) | 3290 |
Boiling Point (K) | 5731 |
Specific Heat | 0.14 |
Heat of Formation | 782 |
Thermal Conductivity | 57.5 |
Dipole Polarizability | 74 |
Electron Affinity (kJ/mole) | 0.323 |
Electronegativity (Pauling scale) | 1.5 |
Atomic Radius (pm) | 146b |
Covalent Radius (pm) | 145 |
VDW Radius (pm) | 243 |
Lattice Constant | 3.31 |
Crystal Structure | BCC (α-Ta) / TET (β-Ta) |
Jmol color | #4da6ff |
Tantalum is a hard blue-grey metallic transition element. Totally there are 36 isotopes of tantalum. It has 2 natural isotopes - Ta-181 and Ta-180m. Ta-181 is a stable isotope, and Ta-180m is a stable isomer and it is the only naturally occurring one. Tantalum is used in surgery as it is unreactive. This element forms a protective oxide layer in air. Tantalum was identified by Ekeberg in 1802 and was isolated by Jons J. Berzelius in 1820.
Tantalum is used often as an economical substitute for platinum. Tantalum pentoxide is used in capacitors and in camera lenses to increase refracting power. It and its alloys are corrosion and wear resistant so it is used to make surgical and dental tools.
What is 181Ta isotope natural abundance?
Answer: 99.988 %
What is atomic mass for 181Ta isotope?
Answer: 180.948 Da
What is isotopic mass for 181Ta isotope?
Answer: 180.948
How many neutrons does 181Ta isotope have?
Answer: 108
How many protons does 181Ta isotope have?
Answer: 73
How many electrons does 181Ta isotope have?
Answer: 73
What is atomic number for 181Ta isotope?
Answer: 73
Is 181Ta isotope stable?
Answer: Yes
Is 181Ta isotope radioactive?
Answer: No