Was used in thermometers at one point in time

Melting point: 234.3210 K

Mercury is used in laboratories for making barometers

Mercury's symbol is Hg

Used to make mercury switches

Californium is harmfull due to it's radioactivness

No stable isotopes

CALIFORNIUM was discovered in California

Electron configuration Rn 5f10 7s2

Discovered in 1950

Symbol: Sc

Atomic #: 21

Discovered by Lars Nilson

Discovered 1879

Silvery white metalic element

Used in welding

Atomic symbol: Ar

Atomic #: 18

Electron configuration: Ne 3s2 3p6

One of the noble gasses

Not much is known about the structure of ruthefordium

Rutherfordium is radioactive

15 isotopes with known half lives

Transition metal

Discovery credited to Earnest Rutherford

Discovered 1826

Discovered by Atoine Balard

Obtained from sea water

From greek word meaning stench

Can kill you it is poisonous