Chapter 1

Question 1

What is chemistry?

Answer 1

Chemistry is the science that seeks to
understand what matter does by
studying what atoms and molecules do.

Question 2

What is matter?

Answer 2

Matter is defined as anything that occupies space and has mass

Question 3

What determines properties?

Answer 3

Structure Determines Properties!
Chemists believe that the properties of a substance are determined by
the kinds, numbers and relationships between these pieces

Question 4

What are things made of?

Answer 4

All things are made of atoms.
▪ Atoms and molecules are tiny particles that
compose all common matter.
▪ Chemical bonds hold atoms together.
▪ Atoms combine to form different types of molecules.

Question 5

The Scientific Method?

Answer 5

A way of learning that emphasizes making observations and doing
experiments
* Characteristics of the Scientific Method: Observation, formulation of
Hypotheses, Experimentation and formulation of Laws and Theories

Question 6

Atomic Theory by John Dalton?

Answer 6

Explained the law of conservation of mass by
proposing that all matter was composed of
small, indestructible particles called atoms

Question 7

What’s the Difference Between a Law and a Theory?

Answer 7

• Laws answer the question ‘What’ will happen.
• Theories answer the question ‘Why’ does something happen.