Elements and 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

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

Is water an element or a compound?

• Element
• Compound

Tags

NGSS.MS-PS1-1

A compound consists of two or more elements bound together.

• True
• False

Tags

NGSS.MS-PS1-1

Is Iron (Fe) an element or a compound?

• Element
• Compound

Tags

NGSS.MS-PS1-1

Which of the following atomic symbols is written correctly?

• ee
• hE
• C
• CL

Tags

NGSS.MS-PS1-1

Can be found on the periodic table

• Element
• Compound
• MIxture

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is krypton?

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1