An atom of 118_Xe contains ________ neutrons. A)54 B)172 C)64 D)110 E)118

Name: An atom of 118 Xe contains ________ neutrons. A)54 B)172 C)64 D)110 E)118
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The atomic number of the element (Xe) is 54, which means it has 54 protons. The total number of protons and neutrons is the atomic mass, which is given in the name of the isotope as 118. To find the number of neutrons, subtract the atomic number from the atomic mass: 118 - 54 = 64. Therefore, the answer is C.

An Atom of 118Xe Contains ________ Neutrons

An Atom of 118_Xe Contains ________ Neutrons