All the Disintegrations of a Sample of an Unknown Nuclide

question 36

Multiple Choice

All the disintegrations of a sample of an unknown nuclide weighing 4.6 *10¯² g were counted. In the first half-life of the sample, the total number of disintegrations counted was 4.3 *10²⁰. What is the atomic weight of the unknown element?

• A) 32 amu
• B) 16 amu
• C) 8 amu
• D) 4 amu
• E) None of these choices is correct.

---

Definitions:

Irish

Relating to Ireland, its people, language, or culture, including both the Republic of Ireland and Northern Ireland.

Germans

A Germanic ethnic group native to Central Europe, characterized by shared culture, language, and history.

Communications Revolution

The Communications Revolution signifies a dramatic change in the way communication occurs, facilitated by technological advancements such as the internet, mobile communications, and social media platforms.

Colonists

Individuals who settle in a new land or territory but maintain ties with their country of origin, often involved in the process of establishing new communities or colonies.