An atom of ¹³¹Xe contains ________ electrons_. A)131 B)185 C)77 D)123 E)54

Name: An atom of 131 Xe contains ________ electrons . A)131 B)185 C)77 D)123 E)54
Brand: Quizplus
Rating: 4.9 (40 reviews)

Question

Quizplus · Accepted Answer

An atom of xenon (Xe) has an atomic number of 54, which means it has 54 protons and, in a neutral atom, 54 electrons. The superscript 131 refers to the mass number, which is the sum of protons and neutrons, not the number of electrons.

An Atom of 131Xe Contains ________ Electrons.

An Atom of ¹³¹Xe Contains ________ Electrons_.