Pure Substances & Mixtures

What are these?

• Molecules of compounds

• Elements

• An atom

• Mixture

This is a

• Pure Substance

• Molecule

• Compound

• Mixture

An element is

• made of more than one type of atom.

• made of only one type of atom.

• made of compounds.

• made of mixtures of molecules.

True or False: elements AND compounds are pure substances.

• True

• False

A ______________ mixture is one that does not have a uniform composition.

• heterogeneous

• homogenous

• pure substance

What are the two types of Mixtures

• Elements and Subatomic Particles
• Protons and Electrons
• Atoms and Compounds
• Homogenous and Heterogeneous

Matter is classified in...

• Elements & Compounds

• Homogeneous & Heterogeneous

• Colloids & Suspensions

• Pure substances & Mixtures

Which one has more than one type of atom in it?

• Element
• Compound 

Which of the following is an example of a compound?

• Option A: Water

• Option B: Oxygen

• Option C: Nitrogen

• Option D: Hydrogen

Which of the following is an example of a heterogeneous mixture?

• Salad

• Milk

• Sugar

• Water