Unit 6 (Classifying Matter) Quiz Review

Which substance can be broken down by chemical change (chemical reactions)?

• N

  (Nitrogen)

• Na

  (Sodium)

• CO₂

  (Carbon Dioxide)

• Fe

  (Iron)

Tags

NGSS.MS-PS1-2

Which list of formulas represents elements, only?

• H₂, N₂, O₂

• H₂, Ne, NaCl

• MgO, NaCl, O₂

• CO₂, H₂O, NH₃

This particle diagram represents a sample of

matter that can not be broken down by chemical

means.

• True

• False

Tags

NGSS.MS-PS1-1

What is represented by the chemical formula PbCl₂ (s)?

• Heterogeneous Mixture

• Homogeneous Mixture

• Solution

• Pure Substance

Tags

NGSS.MS-PS1-1

What type of particle diagram is pictured here?

• Element

• Compound

• Mixture

Tags

NGSS.MS-PS1-1

The two types of matter that exist are ​pure substances and

Answer explanation

Pure substances and mixtures

This picture represents

• Two types of substances

• One type of substance

• One type of compound

• A mixture

Tags

NGSS.MS-PS1-1

Compounds are two types of particles that are ​ (a)   combined in a ​ (b)   composition.

• chemically
• physically
• varied
• fixed

Tags

NGSS.MS-PS1-1

What is a characteristic of a compound?

• Can only be broken down by chemical means

• Can be homogeneous or heterogeneous

• Can be multiple sets of one type of particle

• Can be monatomic or diatomic

What is represented in this particle diagram?

• Two diatomic elements

• H₂O₂

• Two types of compounds

• Mixture of an element and compound

Tags

NGSS.MS-PS1-1