Elements vs Compounds

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

Tags

NGSS.MS-PS1-1

What cannot be broken down into other substances?

• Compound
• Mixture
• Solids
• Element

Tags

NGSS.MS-PS1-5

What is made up two or more DIFFERENT elements that are chemically combined?

• Element

• Mixture

• Compound

• Solids

Tags

NGSS.MS-PS1-5

This picture represents which of the following?

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1

Element or Compound?
H₂SO₄

• Element
• Compound

Tags

NGSS.MS-PS1-1

How many different elements are in this compound?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many DIFFERENT elements are represented in this compound?

• 3

• 4

• 5

• 6

Tags

NGSS.MS-PS1-1

Is this an example of an element or compound?

• element

• compound

Tags

NGSS.MS-PS1-1

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

Tags

NGSS.MS-PS1-1