One of the Main Features of Dalton's Atomic Theory No

question 48

Multiple Choice

One of the main features of Dalton's atomic theory no longer considered valid is: atoms cannot be created or destroyed.Which of the following is the best explanation of why this feature is no longer considered valid?

• A)The percentage by mass of the elements in a compound is always the same
• B)In a chemical change, mass is neither created or destroyed
• C)Every atom contains an extremely small, extremely dense nucleus
• D)When two elements combine to form more than one compound, the different weights of one element that combine with the same weight of the other element are in a simple ratio of whole numbers
• E)The discovery of subatomic particles

---

Definitions:

Extended Family

Extended family includes not just parents and children but also other relatives such as grandparents, aunts, uncles, and cousins, often living close by or within the same household.

Conjugal Family

A family unit that is formed through marriage, consisting of spouses and their children.

Immigrant Women

Female individuals who have relocated from their country of origin to another country, often facing unique challenges and experiences.

Tobacco Industry

Commercial enterprises involved in the manufacturing, marketing, and distribution of tobacco products, including cigarettes, cigars, and chewing tobacco.