
Yttrium (Y) is a chemical element of the periodic table, located in the group 3 and the period 5, and is having the atomic number 39. It is a soft, ductile, silvery-white transition metal, which is named after Ytterby, a village in Sweden, where it was mined. It is counted as one of the rare earth elements.
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– d block |
FAQs on Yttrium Element
Yttrium |
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‣ What does yttrium look like? Appearance: silvery white |
‣ Who discovered the element yttrium? When was yttrium discovered? Discovery: Johan Gadolin (1794) First isolation: Friedrich Wohler (1838) |
‣ Where is yttrium on the periodic table?![]() Location: Yttrium is found in the third column of the periodic table, next to the strontium element. |
‣ What is the atomic number of yttrium? Atomic number (Z): 39 |
‣ Yttrium symbol: Y |
‣ Yttrium atomic weight: 88.90584 |
‣ Yttrium is which block element? Block: d-block |
‣ What group is yttrium in the periodic table? Group: 3 |
‣ What period is yttrium in the periodic table? Period: 5 |
‣ Yttrium atomic radius: empirical: 180 pm |
‣ Yttrium covalent radius: 190±7 pm |
‣ What is yttrium melting point? Melting point: 1799 K (1526 °C, 2779 °F) |
‣ What is yttrium boiling point? Boiling point: 3203 K (2930 °C, 5306 °F) |
‣ How many electron shells does yttrium have? Electrons per shell: 2, 8, 18, 9, 2 |
‣ What is the electron configuration of yttrium? Electron configuration: [Kr] 4d1 5s2 |
‣ Yttrium ionization energies: 1st: 600 kJ/mol 2nd: 1180 kJ/mol 3rd: 1980 kJ/mol |
‣ What is the phase of yttrium? Phase (at r.t): solid |
‣ Yttrium density (near r.t): 4.472 g/cm3 when liquid (at m.p): 4.24 g/cm3 |
‣ Yttrium magnetic ordering: paramagnetic |
‣ Yttrium natural occurrence: primordial |
‣ Yttrium oxidation state: +3 |
‣ What’s the electronegativity of yttrium? Electronegativity: Pauling scale: 1.22 |
‣ Yttrium poisson’s ratio: 0.243 |
‣ Yttrium heat of fusion: 11.42 kJ/mol |
‣ Yttrium heat of vaporization: 363 kJ/mol |
‣ Yttrium molar heat capacity: 26.53 J/(mol K) |
‣ Yttrium molar magnetic susceptibility: +2.15 × 10-6 cm3/mol (2928 K) |
‣ Speed of sound in yttrium: 3300 m/s (at 20 °C) |
‣ What is the crystal structure of yttrium? Crystal structure: hexagonal close-packed (hcp) |
‣ Thermal expansion of yttrium: α, poly: 10.6 µm/(m.K) (at r.t) |
‣ Thermal conductivity of yttrium: 17.2 W/(m.K) |
‣ Yttrium electrical resistivity: α, poly: 596 nΩ.m (at r.t) |
‣ Yttrium hardness Brinell hardness: 200-589 MPa |
‣ Young’s modulus of yttrium: 63.5 GPa |
‣ Shear modulus of yttrium: 25.6 GPa |
‣ Bulk modulus of yttrium: 41.2 GPa |
‣ Yttrium CAS number: 7440-65-5 |
‣ Yttrium vapor pressure
Vapor pressure | ||||||
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P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k |
at T (K) | 1883 | 2075 | (2320) | (2627) | (3036) | (3607) |
‣ How many isotopes does yttrium have?
Main isotopes of yttrium | ||||
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Isotope | Abundance | Half-life (t1/2) | Decay mode | Product |
87Yt | syn | 3.4 d | ε γ | 87Sr – |
88Yt | syn | 106.6 d | ε γ | 88Sr – |
89Yt | 100 % | stable | ||
90Yt | syn | 2.7 d | β– γ | 90Zr – |
91Yt | syn | 58.5 d | β– γ | 91Zr – |
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