Exploring Atoms, Elements, and Compounds

What is a chemical compound?

• A type of molecule

• A mixture of gases

• Two or more elements combined

• A single element

Tags

NGSS.MS-PS1-1

Which element is represented by a blue circle in the video?

• Nitrogen

• Oxygen

• Carbon

• Hydrogen

What is the representation of hydrogen in the video?

• Green circle

• Yellow circle

• Red circle

• Blue circle

How many hydrogen atoms are combined with one oxygen atom to form water?

• Four

• Three

• Two

• One

Tags

NGSS.MS-PS1-1

What is the chemical formula for water?

• H2

• O2

• H2O

• CO2

Tags

NGSS.MS-PS1-1

Which element is represented by a yellow circle in the video?

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

How many oxygen atoms are combined with one carbon atom to form carbon dioxide?

• Four

• Three

• One

• Two

Tags

NGSS.MS-PS1-1

What is the chemical formula for carbon dioxide?

• CO2

• O2

• CH4

• H2O

Tags

NGSS.MS-PS1-1