An Atom That Has 54 Protons, 54 Electrons, and 78 ${ } _ { 54 } ^ { 132 } \mathrm { Xe }$

question 111

Multiple Choice

An atom that has 54 protons, 54 electrons, and 78 neutrons is _____.

• A) \({ } _ { 54 } ^ { 132 } \mathrm { Xe }\)
• B) \({ } _ { 55 } ^ { 132 } \mathrm { Cs }\)
• C) \({ } _ { 54 } ^ { 78 } \mathrm { Xe }\)
• D) \({ } _ { 78 } ^ { 54 } \mathrm { Pt }\)
• E) \({ } _ { 78 } ^ { 108 } \mathrm { Pt }\)

---

Definitions:

Tornadoes

Violently rotating columns of air touching the ground, usually attached to the base of a thunderstorm, known for their potential to cause significant destruction.

Boreal Forest

A dense forest found in high Northern latitudes, primarily consisting of conifers and known for its cold, harsh climates.

Coniferous Forest

A terrestrial biome characterized by evergreen trees with needles or scales, primarily found in northern latitudes or higher altitudes.

Steppe

A vast, treeless plain characterized by its grassy cover, often found in southeastern Europe or Siberia, which supports a variety of animals adapted to open and semi-arid environments.