Mercury

Symbol: Hg
Atomic Number: 80
Atomic Weight: 200.59
Element Classification: Transition Metal
Discovered By: Known to the ancients.
Discovery Date: n/a (Unknown)
Name Origin: The Roman god Mercury; symbol from Latin: hydrargyrus (liquid silver).

Density (g/cc): 13.546 (@ +20C)
Melting Point (K): 234.28
Boiling Point (K): 629.73
Appearance: Heavy, silver-white metal that is in its liquid state at room temperature
Atomic Radius (pm): 157
Atomic Volume (cc/mol): 14.8
Covalent Radius (pm): 149
Ionic Radius: 110 (+2e) 127 (+1e)
Specific Heat (@20C J/g mol): 0.138
Fusion Heat (kJ/mol): 2.295
Evaporation Heat (kJ/mol): 58.5
Thermal Conductivity (@25C W/m K):
Debye Temperature (K): 100.00
Pauling Negativity Number: 2.00
First Ionizing Energy (kJ/mol): 1006.0
Oxidation States: 2, 1
Electronic Configuration: [Xe] 4f14 5d10 6s2
Lattice Structure: Rhombohedral (RHL)
Lattice Constant (): 2.990
Lattice C/A Ratio: n/a

Mineral Hardness [no units]: 1.5

Note: Amalgamates are heat sensistive. They have a tendency to smear. Use only very light pressure, with external cooling of specimen. Microscopy should be immediately follow preparation. Amalgamates are toxic.

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