
Mercury (Hg), also known as quicksilver, is a chemical element of the periodic table, located in the group 12 and the period 6, and is having the atomic number 80. It is a shiny, silvery liquid metal, which is named after the planet, Mercury. It is highly toxic and is counted as one of the post transition metals.
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– d block |
FAQs on Mercury Element
Mercury |
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‣ What does mercury look like? Appearance: shiny, silvery liquid |
‣ When was the element mercury discovered and by whom? Discovery: Ancient Egyptians (before 1500 BCE) |
‣ Where is mercury found on the periodic table?![]() Location: Mercury is found in the sixth row of the periodic table below the cadmium element. |
‣ What is mercury’s atomic number? Atomic number (Z): 80 |
‣ What is mercury’s symbol? Symbol: Hg |
‣ What is the atomic weight of mercury? Standard atomic weight: 200.592 |
‣ What block is mercury in the periodic table? Block: d-block |
‣ What group is mercury in on the periodic table? Group: 12 |
‣ What period is mercury in on the periodic table? Period: 6 |
‣ What is mercury atomic radius? Atomic radius: empirical: 151 pm |
‣ Mercury covalent radius: 132±5 pm |
‣ Mercury Van der Waals radius: 155 pm |
‣ What is mercury’s melting point? Melting point: 234.3210 K (-38.8290 °C, -37.8922 °F) |
‣ What is mercury’s boiling point? Boiling point: 629.88 K (356.73 °C, 674.11 °F) |
‣ Mercury critical point: 1750 K, 172.00 Mpa |
‣ Mercury triple point: 234.3156 K (356.73 °C, 674.11 °F) |
‣ How many electron shells does mercury have? Electrons per shell: 2, 8, 18, 32, 18, 2 |
‣ What is mercury’s electron configuration? Electron configuration: [Xe] 4f14 5d10 6s2 |
‣ What is the ionization energy of mercury? Ionization energies: 1st: 1007.1 kJ/mol 2nd: 1810 kJ/mol 3rd: 3300 kJ/mol |
‣ What phase is mercury normally found in? Phase (at r.t): liquid |
‣ What is mercury density? Density (near r.t): 13.534 g/cm3 |
‣ Mercury magnetic ordering: diamagnetic |
‣ Mercury natural occurrence: primordial |
‣ Mercury oxidation state: +1, +2 |
‣ What’s the electronegativity of mercury? Electronegativity: Pauling scale: 2.00 |
‣ Mercury heat of fusion: 2.29 kJ/mol |
‣ Mercury heat of vaporization: 59.11 kJ/mol |
‣ Mercury molar heat capacity: 27.983 J/(mol K) |
‣ Mercury molar magnetic susceptibility: -33.44 × 10-6 cm3/mol (293 K) |
‣ Speed of sound in mercury: liquid: 1451.4 m/s (at 20 °C) |
‣ What is the crystal structure of mercury? Crystal structure: rhombohedral |
‣ Thermal expansion of mercury: 60.4 µm/(m.K) (at 25 °C) |
‣ Thermal conductivity of mercury: 8.30 W/(m.K) |
‣ Mercury electrical resistivity: 961 nΩ.m (at 25 °C) |
‣ Mercury CAS number: 7439-97-6 |
‣ Mercury vapor pressure
Vapor pressure | ||||||
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P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k |
at T (K) | 315 | 350 | 393 | 449 | 523 | 629 |
‣ How many isotopes does mercury have?
Main isotopes of mercury | ||||
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Isotope | Abundance | Half-life (t1/2) | Decay mode | Product |
194Hg | syn | 444 y | ε | 194Au |
195Hg | syn | 9.9 h | ε | 195Au |
196Hg | 0.15 % | stable | ||
197Hg | syn | 64.14 h | ε | 197Au |
198Hg | 10.04 % | stable | ||
199Hg | 16.94 % | stable | ||
200Hg | 23.14 % | stable | ||
201Hg | 13.17 % | stable | ||
202Hg | 29.74 % | stable | ||
203Hg | syn | 46.612 d | β– | 203Tl |
204Hg | 6.82 % | stable |
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