Cesium

Cesium By:Lorenzo Wright

FYI- Every Thing in Perenthenses Are IMPORTANT!!!!!!!!!!!!!!!!!!!!!!!!!

__Who Discovered it__? The Discover of my Element is (Fustov Kirchoff).

__When he Discovered it__? He Discovered it in (1860).

__Symbol, Atomic Number, & Atomic Mass__. Symbol-(Cs) Atomic Number-(132.90545) Atomic Mass-(55)

__Protons, Electrons, & Nuetrons__. Protons-(55) Electrons-(55) Nuetrons-(78)

__Where it was found__? It was found on (Land). The State of matter is (Solid).

__ Physical Facts __ Melting Point- (25.8 Degrees Celcius) Boling Point- (678.4 Degrees Celcius) Density- (1.873 g/cm 3)

__ Abundance in the Earth's Crust __ The Abundance in the Earth's crust has been estimated at about 1 to 3 parts per million.

__ Sources __ [] [] []

Thank YOU!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!