Pure Substance vs Mixtures Review

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.

Water

• Element

• Compound

Tags

NGSS.MS-PS1-1

Saltwater

• Mixture

• Compound

Tags

NGSS.MS-PS1-1

Salt

• Mixture

• Compound

Tags

NGSS.MS-PS1-1

Sand

• Mixture

• Compound

Heterogeneous mixture

• A mixture with a composition that varies from point to point

• A mixture with a uniform composition and appears visually the same throughout

Homogeneous mixture

• A mixture with a composition that varies from point to point

• A mixture with a uniform composition and appears visually the same throughout

Chicken noodle soup

• Homogeneous mixture

• Heterogeneous mixture

Tags

NGSS.MS-PS1-2

Vinegar

• Homogeneous mixture

• Heterogeneous mixture