One of the Postulates of Dalton's Theory Was Incorrect

question 42

Multiple Choice

One of the postulates of Dalton's theory was incorrect. Which of the following best describes the effect of the incorrect postulate?

• A) Since one postulate was incorrect the theory must be discarded.
• B) The theory can still be used because the erroneous postulate does not have any effect on the physical properties of the elements.
• C) The theory can still be used because the erroneous postulate does not have any effect on the chemical properties of the elements.
• D) The theory can still be used because the erroneous postulate does not have any effect on either the chemical or physical properties of the elements.

---

Definitions:

Preoperational

Pertains to Piaget's stage of cognitive development (roughly ages 2-7) where children start to use language but do not yet comprehend concrete logic.

Concrete Operations

Third stage of Piagetian cognitive development (approximately ages 7 to 12), during which children develop logical but not abstract thinking.

Sensorimotor

The first stage in Jean Piaget's theory of cognitive development, characterized by the understanding of the world through physical interaction and movement.

Formal Operations

A stage of cognitive development in which individuals are able to think abstractly and reason logically, typically emerging in adolescence.