Pure Substances and Mixtures Test

What is a characteristic of pure substances?

• Cannot be divided physically

• Always homogeneous

• Always heterogeneous

Which of the following is an example of an element?

• Water (H₂O)

• Milk

• Gold (Au)

• Cereal

What is a compound?

• Only 1 kind of atom

• 2 or more elements

• Found on the Periodic Table

• Same throughout

Tags

NGSS.MS-PS1-1

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

• Cereal

• Gold (Au)

• Water (H₂O)

• Milk

What is a characteristic of heterogeneous mixtures?

• Same throughout

• Different throughout or layers

• Only 1 kind of atom

• Found on the Periodic Table

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

• Water (H₂O)

• Milk

• Cereal

• Gold (Au)

What is an example of a compound?

• Gold (Au)

• Water (H₂O)

• Milk

• Cereal

Tags

NGSS.MS-PS1-1

What is the main difference between elements and compounds?

• Compounds have 2 or more elements

• Compounds have only 1 kind of atom

• Compounds are found on the Periodic Table

• Compounds cannot be divided physically

Which of the following is true about mixtures?

• They cannot be divided physically

• They are always homogeneous

• They can be homogeneous or heterogeneous

• They are found on the Periodic Table

What is the main characteristic of elements?

• 2 or more elements

• Only 1 kind of atom

• Different throughout

• Same throughout