2.6 Unit #2 Lesson#6 Heating and Cooling Curves

What is the first part in the chart?

Matter

What is matter divided into the chart?

1.(Pure) Substances
2. A mixture of Substances.

1. (Pure) Substances can be divided into?

Elements and Compounds.

2. Mixture of Substances can be divided into?

Homogenous and a Heterogenous mixtures.

Pure Substances

Matter that has uniform or defined shape.
EX: Water is H20

Elements

Is the simplest form of matter that has an unique set of properties.
-Cannot be broken Down

Compunds

2 or more elements chemically combined in a fixed proportion
-Can Only be broken down by Chemical Reaction.

2. Mixture of Substances

Matter that has 2 or more substances combined and the composition of each substance can vary

homogenous mixture (solution)

A mixture that has uniform and is the same throughout.
-One phase and components are visually.

Heterogenous mixture

A mixture that is not uniform (the same) throughout
-Components are not evenly distributed
-Separated Phases.

Compound(Particle Diagram)

2 molecules onw is colored the other is not.

Element(Particle Diagram)

2 molecules stuck together but same color