Caesium

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Chemical Symbol:   Cs
Atomic Number:   55
Atomic Weight:   132.9054
Melting Point:    °C
Boiling Point:   686 °C
Density of Solid:     1900 kg m-3
Electron Configuration:     1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 6s1

Abundance

Amount in average human body (70kg):   

0.0015 g

Average amount in Earth's crust:    3 ppm by mass
Average amount in seawater:   

0.3 µg L-1

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Periodic Table




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This page was last changed on: 02 August 2021.

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