Knowledge Check: Elements, Compounds, and Mixtures

Tags

NGSS.MS-PS1-1

Particles that are together physically but not chemically combined are called (a)   .

Select all of the elements in these answer choices. (There may be more than 1)

• O₂

• CO₂

• Co

• CO

• C₆₀

Tags

NGSS.MS-PS1-1

Select all of the compounds in these answer choices. (click all that apply)

• H₂S

• C₆H₁₂O₆

• O₂

• CO

• Co

Tags

NGSS.MS-PS1-1

Match the following

• pure compound

• 
• pure element

• 
• mixture of elements and compounds

• 
• mixture of compounds

• 
• mixture of elements

• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Select all of the compounds in these particle diagrams. (check all that apply)

• 
• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

Match the term with its definition

• mixture

• contains two or more different substances physically joined together

• element

• a pure substance that consists of different types of atoms chemically joined together

• compound

• a pure substance that consists of only one type of atom

How many elements are in C₆H₁₂O₆? (Type as a number, not a word.)

(a)  

Tags

NGSS.MS-PS1-1

Match the following

• mixture of 2 elements

• 
• mixture of 2 compounds

• 
• compound

• 
• element

• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Tags

NGSS.MS-PS1-1