Classifying Matter

Question 1

What are the 2 main classifications of Matter?

Answer 1

Pure Substances and Mixtures

Question 1

What are Pure Substances?

Answer 1

Made of the SAME type of particle repeated.

Question 2

What are Mixtures?

Answer 2

Made of MULTIPLE types of particles all mixed together

Question 3

What are the 2 categories in Pure Substances?

Answer 3

Elements and Compounds

Question 4

What are Elements?

Answer 4

A substance made up of one type of atom.

It cannot be broken down any further

Example: Oxygen Gas, Gold
(hint: it will be on the periodic table)

Question 5

What is a Compound?

Answer 5

A substance made up of two or more elements that are chemically bonded

Example: Water (H2O ) is compound containing the elements hydrogen and oxygen

Question 6

What are the 2 type of Mixtures?

Answer 6

Heterogeneous (Mechanical Mixture) or Homogeneous (Solution)

Question 7

What is Heterogeneous (Mechanical Mixture) ?

Answer 7

The different substances are visible to the eye

Particles are unevenly mixed

Example: trail mix, salad dressing

Question 8

What is Homogeneous (Solution)?

Answer 8

Only one substance is visible to the eye

Particles are evenly mixed

Example: air, tea