Mixtures, Elements & Compounds

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

Tags

NGSS.MS-PS1-1

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

• Element
• Mixture
• Compound
• Solids

Tags

NGSS.MS-PS1-5

How many elements are represented in the compound?
Na₂CO₃

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

• Element
• Compound

Tags

NGSS.MS-PS1-1

In this diagram, Y represents...

• An element

• A compound

• A molecule

• A mixture

Tags

NGSS.MS-PS1-1

In this diagram, X represents...

• A compound

• An atom

• A mixture

• An element

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element

• mixture

• compound

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element

• mixture of elements

• compound

• mixture of compounds

Tags

NGSS.MS-PS1-1

• Element

• Compound

• Mixture

Tags

NGSS.MS-PS1-1

• Element

• Compound

• Mixture

Tags

NGSS.MS-PS1-1