Two Nuclei May Have Equal Z, but Different A, Because

question 88

Multiple Choice

Two nuclei may have equal Z, but different A, because they contain

• A) equal numbers of protons and neutrons.
• B) equal numbers of protons but different numbers of neutrons.
• C) different numbers of protons but equal numbers of neutrons.
• D) different numbers of protons and neutrons.
• E) electrons as well as neutrons.

---

Definitions:

Sickle-Cell Anemia

An inherited form of anemia produced by a mutation in the hemoglobin protein that causes the red blood cells to assume a sickle shape.

Northern Europeans

The inhabitants of countries located in the northern part of Europe, often characterized by specific genetic, cultural, and geographical traits.

Advent of Writing

The historical period when human societies began to develop and use writing systems to record information, events, and ideation.

Silk Road

An ancient network of trade routes that connected the East and West, facilitating not only commerce but also the exchange of culture, religion, and technology.