Ciro Santilli
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Caesium (Cs, 55,
6
s
1
)
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Chemistry
Chemical element
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words: 138
articles: 3
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138
3
Caesium-133 (stable)
Caesium
2
Caesium-137 (radioactive)
Caesium
136
1
Goiânia accident (1987)
Caesium-137
9
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Caesium standard
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Chemical element
Chemistry
Natural science
Science
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Atomic clock
Caesium-137
Caesium standard
Synonyms
Cesium