Cesium


 * Element Name:** Cesium

**Element Symbol**: Cs

**Atomic Mass**: 133

**Atomic Number:** 55

**Protons:** 55

**Electrons:** 55

**Discovery:** Robert Wilhelm Bunsen in 1860.

**How it was named**: By the blue lines they absorbs in the spectrum.

**State of matter:** Solid

**Melting point:** 28.44°C

**Boiling point:** 671°C

**Characteristics**: Explosive, silvery gold, and soft.

**Uses of elements**: Makes alloy

**Interesting facts**: It explodes when put in water.

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