the symbol for xenon (xe) would be a part of the noble gas notation for the element\no antimony.\no…

the symbol for xenon (xe) would be a part of the noble gas notation for the element\no antimony.\no cesium.\no radium.\no uranium.

the symbol for xenon (xe) would be a part of the noble gas notation for the element\no antimony.\no cesium.\no radium.\no uranium.

Answer

Brief Explanations:

Noble - gas notation uses the symbol of the nearest noble - gas element with a lower atomic number. Xenon (Xe) has an atomic number of 54. Cesium (Cs) has an atomic number of 55. The noble - gas notation for Cs starts with [Xe]. Antimony (Sb) has an atomic number of 51, and its noble - gas notation starts with [Kr]. Radium (Ra) has an atomic number of 88, and uranium (U) has an atomic number of 92, and their noble - gas notations involve larger noble - gas elements than Xe.

Answer:

cesium.