Pure Substance vs mixtures

[check all that apply] Pure substances include:

• Elements

• Homogeneous Mixtures

• Compounds

• Heterogeneous Mixtures

An element is?

• Chemically combined

• Pure substances that can be broken down

• Pure substances that cannot be broken down into simpler substances

• One or more elements chemically combined.

___________ are the smallest unit of an element that maintains the properties of that element.

• Atoms

• Elements

• Compounds

• Mixtures

DIFFERENT kinds of atoms chemically combined to form a substance are

• Mixture
• Element
• Compound
• Substance

This is made up of one or more of kind of the SAME kind of atom

• Element
• Mixture
• Compound
• Matter

Contains only one kind of atom.

• Element
• Compund
• Mixture

This contains a variety elements and compounds that ARE NOT chemically combined.

• Water
• Mixture
• Elements
• Compounds

Mixtures are different than pure substances because mixtures-

• have lower boiling points

• can be separated physically

• are less dense than pure substances

• contain only one type of atom

What does it mean if a mixture is heterogeneous?

• you can see the different parts
• cannot tell one part from another
• very well blended
• made of elements

What does it mean if a mixture is homogeneous?

• you can see the different parts
• cannot tell one part from another
• chunks of particles
• made of elements