Elements, Compounds and Mixtures

These can only be separated by chemical means. 

• element 
• compound 
• mixture 
• stuff 

These contain only one kind of atom. 

• element 
• compound 
• mixture 
• water 

The air is a _________. 

• element 
• mixture 
• compound 
• energy 

Pure water is a ___________.

• element

• mixture

• compound

The things in a mixture always retain their........

• smell properties 
• physical and chemical properties 
• shape 
• color 

Elements can be broken down into simpler substances. 

• false 
• true 
• sometimes 

Compounds contain a _____ set of elements.

• fixed
• random 
• sweet 
• inaccurate 

Tags

NGSS.MS-PS1-1

These must be separated chemically. 

• elements 
• compounds 
• mixtures 
• homogeneous mixtures 

These are mixtures that are the same throughout. 

• homogeneous mixtures 
• heterogeneous mixtures 
• mixed mixtures 

These are mixtures that are not the same throughout. 

• homogeneous mixtures 
• heterogeneous mixtures 
• solutions 
• water