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Mercury
Mercury is in Period: 6 group: : 12 It's a poor metal !
No one knows who discovered Mercury, it was found in ancient egyptian tombs and it comes from the Greek word hydrargyrum, which means liquid silver
mercury has 2 valence electrons and .. . . protons : 80 nutrons : 121 electrons : 80
Isotope Half Life Hg-194 520. years Hg-196 Stable Hg-197 2.7 days Hg-197m 23.8 hours Hg-198 Stable Hg-199 Stable Hg-200 Stable Hg-201 Stable Hg-202 Stable Hg-203 46.6 days Hg-204 Stable Hg-206 8.2 minutes
Mercury was named after the planet Mercury.
Mercury is used in thermometers, flourescent lights and batteries.
Mrcury is the only metal that is liquid at room temperature. melting point : -38C boiling point : 356 C
