Elements, compounds, mixtures, particle diagrams

In the diagrams provided, the circles of different colors represent the atoms of different elements. Which diagram represents a mixture?

• I

• II

• III

• IV

Which beaker contains only one type of element?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

Which beaker contains a compound?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

Which beaker(s) contain a pure substance? (check all that apply)

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

Classify the sample

• Pure substance

• Mixture

• element

Classify the sample

• Element

• Compound

• Mixture

Classify the sample

• Pure Substance

• Mixture of different elements

• Mixture of different compounds

What is a pure substance made only one type of particle that is made from chemically bonded atoms of two or more elements?

• A. element

• B. compound

• C. mixture

Classify the Sample.

• Pure Substance

• Mixture of two different elements

• Mixture of two different compounds

• Mixture of an elements and a compound

Which chemical formula could be represented by this sample?

• NaCl
• H₂
• C₆H₁₂O₆
• Cu

Tags

NGSS.MS-PS1-1