Compounds and Mixtures

Which of the following is NOT a compound?

• O₂

• CO₂

• H₂O

• CO

Tags

NGSS.MS-PS1-1

Which of the following are elements?

• C

• CO₂

• O

• F

What is the differece between molecules and compounds?

Tags

NGSS.MS-PS1-1

Which particles in the atom are share to create a chemical bond?

• nucleus

• protons

• neutrons

• Electrons

how many atoms does CO₂ has?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

how many elements are there in CO₂ ?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What is the difference between homogeneous and heterogeneous?

Pizza is a ________ mixture.

Select 2 homogeneous mixtures:

• coin

• chocolate milk

• sand and water

• water

Select the items that are mixtures:

• oxygen

• Hand sanitizer

• Juice

• soup