Question

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what is the atomic number of Cesium​

Answer 1

Answer:

Caesium (IUPAC spelling) (also spelled cesium (American spelling)) is a chemical element with the symbol Cs and atomic number 55. It is a soft, silvery-golden alkali metal with a melting point of 28.5 °C (83.3 °F), which makes it one of only five elemental metals that are liquid at or near room temperature

Answer 2

Answer:

your answer

Explanation:

atomic number of Cesium is 55

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