Mercury

Hg

has 6 energy levels

-mercury compounds can be found in air, soil, water, and fish. Mercury is a metal that occurs naturally in the environment. It comes in several odorless forms. It can be a shiny, silver-white liquid or a tin-white solid

Name: Mercury
Symbol: Hg
Atomic Number: 80
Atomic Mass: 200.59 amu
Melting Point: -38.87 °C (234.28 K, -37.966 °F)
Boiling Point: 356.58 °C (629.73 K, 673.844 °F)
Number of Protons/Electrons: 80
Number of Neutrons: 121
Classification: Transition Metal
Crystal Structure: Rhombohedral
Density @ 293 K: 13.456 g/cm3
Color: Silver

in group 6

Date of Discovery: Known to the ancients
Discoverer: Unknown
Name Origin: After the planet Mercury
Symbol Origin: From the Latin word hydrargyrum

-Mercury does not react with most acids, such as dilute sulfuric acid, although oxidizing acids such as concentrated sulfuric acid and nitric acid or aqua regia dissolve it to give sulfate, nitrate, and chloride salts. Like silver, mercury reacts with atmospheric hydrogen sulfide