daunbyers daunbyers

09-03-2021
Chemistry

contestada

How many protons are in Cesium-135 (Cs)?

A. 35
B. 55
C. 80
D. 195

Respuesta :

samara832 samara832

09-03-2021

B.55

Caesium is a soft alkali metal, the melting point of 28.5 c makes it only one of five elemental metals that are liquid.

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