8.6A - Structure of Matter

Which type of substance is chlorine?

• Homogeneous mixture

• Compound

• Element

• Heterogeneous mixture

Tags

NGSS.MS-PS1-1

Which of the following illustrations models an example of a compound?

• P4S3

• O2

• N2

• H2

Tags

NGSS.MS-PS1-1

Which student correctly classified the matter shown?

• Student A

• Student B

• Student C

• Student D

Tags

NGSS.MS-PS1-1

A model of a carbon monoxide molecule is shown below. Which type of pure substance does it represent?

• Element

• Compound

• Heterogeneous mixture

• Homogeneous mixture

Tags

NGSS.MS-PS1-1

Identify the type of substance modeled in each illustration: (a)  

(b)   (c)   (d)  

• Homogeneous mixture
• Element
• Heterogeneous mixture
• Compound

Tags

NGSS.MS-PS1-1

During a science class, Mason and Aria were discussing the nature of different substances. Which of the following BEST describes the matter involved?

• Hydrogen is a compound, oxygen is a compound, and water is a homogeneous mixture.

• Hydrogen is an element, oxygen is a compound, and water is an element.

• Hydrogen and oxygen are elements, while water is a compound.

• Hydrogen and oxygen are compounds, while water is a heterogeneous mixture.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Which of the following models represents a homogeneous mixture?

• Model A

• Model B

• Model C

• Model D

Matter can be classified into pure substances and mixtures. Which of the following graphic organizers correctly categorizes pure substances and mixtures?

• Diagram A: Matter -> Pure Substances -> Elements, Compounds; Mixtures -> Homogeneous, Heterogeneous

• Diagram B: Matter -> Mixtures -> Elements, Compounds; Pure Substances -> Homogeneous, Heterogeneous

• Diagram C: Matter -> Pure Substances -> Homogeneous, Heterogeneous; Mixtures -> Elements, Compounds

• Diagram D: Matter -> Pure Substances -> Elements, Compounds; Mixtures -> Homogeneous, Heterogeneous

Tags

NGSS.MS-PS1-1

Which of the following best classifies table salt?

• Element

• Compound

• Homogeneous mixture

• Heterogeneous mixture

Tags

NGSS.MS-PS1-1

Which of the following is an example of a heterogeneous mixture?

• Saltwater

• Sand and iron filings

• Air

• Vinegar