CAS Number | 7440-25-7 |
---|---|
PubChem CID | 23956 |
Atomic Radius | 146 |
Atomic Volume | 10.9 |
Atomic Weight | 180.948 |
Block | d |
Boiling Point | 5,458 |
Bulk Modulus | |
Category | Transition metals |
Crystal Structure | Body Centered Cubic |
Color | Gray |
Covalent Radius | 170 |
Density | 16.654 |
Electrical Resistivity | |
Electron Configuration | [Xe] 4f14 5d3 6s2 |
Electrons per shell | 2, 8, 18, 32, 11, 2 |
Electronegativity | 1.5 |
Electrons | 73 |
Group | 5 |
Heat of Fusion | 36 |
Heat of Vaporization | 735 |
Ionization Potential | 7.55 |
Magnetic Ordering | |
Magnetic Susceptibility | |
Mass | 180.948 |
Mass Number | 73 |
Melting Point | 3,017 |
Name | Tantalum |
Neutrons | 108 |
Atomic Number | 181 |
Oxidation States | -1, 2, 3, 4, 5 |
Period | 6 |
Phase | Solid |
Poisson Ratio | |
Protons | 73 |
Shear Modulus | |
Specific Heat Capacity | 0.14 |
Symbol | Ta |
Thermal Conductivity | 0.575 |
Van der Waals radius | |
Young's Modulus | |
Abundance | |
Abundance in Earth's crust | 0.00017% |
Abundance in Universe | 8×10-9% |
180.94788(2)
180Ta 181Ta
155Ta 156Ta 157Ta 158Ta 159Ta 160Ta 161Ta 162Ta 163Ta 164Ta 165Ta 166Ta 167Ta 168Ta 169Ta 170Ta 171Ta 172Ta 173Ta 174Ta 175Ta 176Ta 177Ta 178Ta 179Ta 182Ta 183Ta 184Ta 185Ta 186Ta 187Ta 188Ta 189Ta 190Ta