Chemical Reactions End of Unit Review

Steam rising off of a hot tub is an example of....

• Melting

• Freezing

• Evaporation/Vaporization

• Condensation

Tags

NGSS.MS-PS1-4

Snow melting in the sun is an example of...

• Deposition

• Sublimation

• Melting

• Freezing

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Dry ice forming fog at a concert

• Sublimation

• Deposition

• Condensation

• Liquidization

Tags

NGSS.MS-PS1-4

Dry ice fog accumulating on a penny in a solid form

• Freezing

• Melting

• Deposition

• Sublimation

Tags

NGSS.MS-PS1-4

What are groups in the periodic table?

• Vertical rows

• Horizontal Rows

• Substances

• Elements

What are periods in the periodic table?

• Vertical rows

• Horizontal Rows

• Substances

• Elements

What is an atomic number? (Select all that are correct)

• How many protons are in an atom

• The numbered order of the periodic table

• How many atoms are in an element

• How much an atom weighs

Tags

NGSS.MS-PS1-1

What is a mass number?

• How heavy an atom is

• How many atoms are in a substance

• The amount of force required to throw an atom

• The number of protons in an atom

True or false: Some reactants do not create a chemical reaction when mixed together.

• True

• False

Tags

NGSS.MS-PS1-2

True or False: Chemical reactions can happen with only one reactant

• True

• False