Chemical Interactions Inv. 4 Review

A chemical reaction is: 

• A process where starting substances change into new substances 
• A form of matter with a unique composition 
• The result of a change of energy in the particles of a subsstance 

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

CO₂  Contains how many elements? 

• 1
• 2
• 3
• 4

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NGSS.MS-PS1-1

Which is NOT a label for substances:

• Chemical Name 
• Chemical Formula 
• Common Name 
• Common Formula 

Which does NOT happen to air particles when they're heated?

• They move faster
• They hit each other more
• They get farther apart
• They lose kinetic energy and get closer

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A process in which starting substances change into different substances is a(n)...

• arthropod
• chemical reaction
• mixture
• solution

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is NOT true about how cold air particles are different from hot air particles?

• The particles of cold air are smaller than the particles of hot air
• The particles of cold air are closer together than the particles of hot air
• The particles of cold air have less KE than the particles of hot air
• The particles of cold air move slower than the particles of hot air

Tags

NGSS.MS-PS1-4

Which is true about gas particles compared to liquid particles?

• Gas particles are bonded, but can flow past each other
• Liquid particles are closer together
• Gas particles cannot be compressed
• Liquid particles fill the entire volume of their container

Tags

NGSS.MS-PS3-4

Which describes how solid particles are arranged?

• Tightly bonded
• Loosely bonded (can flow)
• No bonds
• Bonded in certain environments

By lining up all the known elements according to properties, what was Mendeleev able to do?

• make a shorter periodic table

• predict 30 missing elements and their properties

• made the table fit on one page

• win a Nobel Prize

What happens to air when it is heated?

• The particles expand.
• The particles contract.
• The volume expands.
• The volume contracts.

Tags

NGSS.MS-PS1-4