U1 L4 - Pure Substances & Mixtures

A substance with the same kind of atom throughout is a(an)...

• element
• molecule
• compound
• mixture

A substance made from 2 or more different kinds of atoms chemically combined is a(an)...

• element

• molecule

• compound

• mixture

What is the smallest unit of matter?

• atom
• element
• molecule
• compound

A substance combined physically, but never chemically is a(an)...

• element
• molecule
• compound 
• mixture

Identify this particle of matter.

• Molecule of an element

• Mixture

• Molecule of a compound

• Atom

Describe this sample

• Pure element

• Pure compound

• Mixture of elements

• Mixture of compounds

Describe this sample

• Pure compound
• Mixture of elements
• Mixture of compounds
• Mixture of elements and compounds

Tags

NGSS.MS-PS1-1

Pure Compounds are made of identical...

• atoms
• elements 
• molecules
• mixtures

Pure substances are formed and separated by...

• Chemical changes only

• Physical changes only

• Physical and Chemical changes

Mixtures are formed by and separated by...

• Physical changes only

• Chemical changes only

• Physical and Chemical changes