Question

And it's atomic number which type of metal cesium?​

Answer 1

Properties of cesium. Encyclopædia Britannica, Inc. This silvery metal with a golden cast is the most reactive and one of the softest of all metals. It melts at 28.4 °C (83.1 °F), just above room temperature.

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Cesium.

atomic number 55

electron configuration 2-8-18-18-8-1 or [Xe]6s1

Answer 2

Answer:

Atomic Mass 132.9054520u

Year Discovered 1860

Explanation:

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