Chemistry: The Central Science

Flashcards covering key concepts from the Chemistry lecture.

What is chemistry?

The study of matter and the changes that it undergoes.

Why is chemistry considered the central science?

Because basic understanding of chemistry is fundamental to all sciences.

What is a hypothesis?

A testable explanation of a situation or phenomena.

What distinguishes pure research from applied research?

Pure research is conducted to gain knowledge for its own sake, while applied research aims to solve a specific problem.

What is the definition of mass in the context of chemistry?

A measurement that reflects the amount of matter.

What is a scientific law?

A relationship in nature supported by many experiments with no exceptions found.

Name one example of a scientific law.

Newton's Three Laws of Motion.

What constitutes a substance in chemistry?

Matter that has a definite and uniform composition.

What role do models play in chemistry?

Models explain the behavior of matter at the macroscopic scale using submicroscopic or atomic scale representations.

What is the weight of an object a measure of?

Earth’s gravitational pull on matter.