Mixtures and Pure Substances

Mixtures and Pure Substances

Pure Substance

Only one type of substance

This is a pure substance

This is a pure substance

This is a pure substance

What is a pure substance?

Hint: was there a pattern?

This is a mixture

2 DIFFERENT types of molecules

This is a mixture

2 DIFFERENT substances: a molecule and a compound

This is a mixture

Different types of compounds

This is a mixture

DIFFERENT types of compounds and some molecules

What is a mixture?

Hint: Was there a pattern?

Multiple Choice

Is this a mixture or a pure substance?

• mixture

• pure substance

Pure substance

all the same molecule

Multiple Choice

Is this a mixture or a pure substance?

• mixture

• pure substance

Pure substance

all the same atoms

Multiple Choice

Is this a mixture or a pure substance?

• mixture

• pure substance

Pure substance

all the same compound

pure substances

all the stuff in them is the same

Multiple Choice

Is this a mixture or a pure substance?

• pure substance

• mixture

Mixture

has different types of materials

Multiple Choice

Is this a mixture or a pure substance?

• mixture

• pure susbtance

Mixture

It has different substances

Multiple Choice

Is this a mixture or a pure substance?

• mixture

• pure substance

Mixture

has different materials

Mixtures

are made of 2 or more DIFFERENT substances

Let's get TRICKY!

Multiple Choice

Is this a mixture or a pure substance?

• mixture

• pure substance

This is a pure substance.

It is all the SAME compound.

Multiple Choice

Is this a mixture or a pure substance?

• mixture

• pure substance

Mixture

There are square molecules and circle molecules. They are DIFFERENT.

Multiple Choice

Is this a mixture or a pure substance?

• mixture

• pure substance

Mixture

Two DIFFERENT shapes

Multiple Choice

Is this a mixture or pure substance?

• mixture

• pure substance

Pure substance

All the SAME stuff!

Multiple Choice

Is this a mixture or a pure substance?

• mixture

• pure substance

Pure substance

All the SAME stuff.

Multiple Choice

Mixture or pure substance?

• mixture

• pure substance

Mixture

These are all DIFFERENT.

What is the difference between mixtures and pure substances?

The difference

• mixtures = different things are together hanging out

• pure substances = everything is the same