Compounds and Formulae

Which of the following is not a compound?

• HCl

• Cl

• NaCl

• CO₂

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

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

• Element
• Mixture
• Compound
• Solids

Tags

NGSS.MS-PS1-1

Which of the following an element?

• Carbonic Acid
• Copper
• Iron and Copper
• Water

• 1
• 2
• 3
• 4

• 1
• 2
• 3
• 4

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