CHE 102 (Chapter 1)

What is NOT chemistry?

• The study of matter

• Properties of matter

• The study of life

• Changes in matter and the energy associated with these changes

_________ was an important figure in Ancient Greece and proposed that there were four elements. These elements were air, water, fire, and earth.

Aristotle also declared that matter is what?

• Continuous and infinitely divisible

• Continuous and infinitely indivisible

• Discontinuous and infinitely divisible

• Discontinuous and infinitely indivisible

What is atomos?

• A piece of equipment used to measure things very specifically

• An early greek idea about atoms

• The point at which matter can no longer be subdivided

• A technique in chemistry used to heat up chemicals

Philosophers use logic, while scientists use ___?

• Nothing

• Music

• Art

• Experimentation

_______ is the precursor to modern science that incorporates magic, experimentation, and logic.

What is this method?

• Biological method

• Philosophical method

• Geological method

• Scientific method

Who is considered the father of chemistry?

• John Dalton

• Antoine Lavoisier

• Isaac Newton

• Niels Bohr

What does the Law of Mass Conservation state?

• Mass is neither created nor destroyed during chemical reactions

• Mass is created and destroyed during chemical reactions

• Mass is neither created nor destroyed during physical reactions

• Mass is created and destroyed during physical reactions

Which of the following describes a scientific law?

• Summary of all past observations that is one general statement

• Includes a mathematical equation

• Allows for prediction of future observations

• Laws cannot be broken