Mercury

Statistics:

• Name: Mercury
• Symbol: Hg
• Classification: Transition Metal
• Atomic Number: 80
• Atomic Mass: 200.59 g/mol
• Density: 13.55 g/cm³
• Melting: -38.9°C
• Boiling: 356.6°C
• Protons & Electrons:80
• Neutrons:121
• Discovered: prehistoric
• Discovered By: unknown
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Electrons Per Energy Level:

• Level 1: 2
• Level 2: 8
• Level 3: 18
• Level 4: 32
• Level 5: 18
• Level 6: 2

Isotopes:

Isotope: Half-life

• ¹⁹⁴Hg: 444 years
• ¹⁹⁶Hg: stable
• ¹⁹⁷Hg: 64.14 hours
• ^197m1Hg: 23.8 hours
• ¹⁹⁸Hg: stable
• ¹⁹⁹Hg: stable
• ²⁰⁰Hg: stable
• ²⁰¹Hg: stable
• ²⁰²Hg: stable
• ²⁰³Hg: 46.612 days
• ²⁰⁴Hg: stable
• ²⁰⁶Hg: 8.15 minutes

Brief Summary

Mercury is a Transition Metal with the symbol 'Hg' and contains 80 Protons & Electrons with 121 neutrons in the nucleus of the atom. Mercury has an atomic mass of 200.59 g/mol and, at a temperature of 20°C, has a density of 13.55 g/cm³. It will melt at a temperature of -38.9°C and boil at 356.6°C.

Mercury has been known since prehistoric times and is named 'Mercury' After the planet Mercury.

Some common usages for Mercury: thermometers, barometers, fluorescent lamps, batteries.

Definitions and Notes

Density listed is at a temperature of 20°C.

Isotopes are forms of an element who have the same atomic number but different mass because they contain different number of neutrons.

Half-life is the time required for a quantity of a subject to fall to half of its current quantity.

MLA Citing Format

Mercury :: Hg :: 80 - Chemical Element. 22 Nov. 2008 <http://www.chemicalelement.com/element/mercury.html>.