Chemical formulas, equations and Element in our World

two or more different elements chemically combined is called a _____

• compound

• atom

• element

• molecule

Tags

NGSS.MS-PS1-1

two or more of the same elements chemically combined is called a _____

• compound

• atom

• element

• molecule

Tags

NGSS.MS-PS1-1

What is this a picture of?

• element

• molecule

• compound

• none of these

Tags

NGSS.MS-PS1-1

What is this a picture of?

• element

• molecule

• compound

• none of these

Tags

NGSS.MS-PS1-1

What is this a picture of?

• element

• molecule

• compound

• none of these

Tags

NGSS.MS-PS1-1

Which of the following are compounds?

• H₂O

• O

• H₂

• NaCl

Tags

NGSS.MS-PS1-1

Which of the following are elements?

• H₂O

• O

• H₂

• Na

Which of the following are molecule?

• H₂O

• O₂

• H₂

• Na

Tags

NGSS.MS-PS1-1

Nitrogen, Helium and Carbon are all examples of

• compounds

• molecules

• elements

• mixtures

Tags

NGSS.MS-PS1-1

H₂SO_{4 is made up of which elements?}

• Hydrogen

• Sulfur

• Sodium

• Oxygen

Tags

NGSS.MS-PS1-1