Review

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

• Element
• Compound

Tags

NGSS.MS-PS1-1

When the nails were left outside and allowed to rust during the substance detector activity, what new substance was created?

• Mud
• Rust
• Grass
• Water

Tags

NGSS.MS-PS1-2

Is water an element or a compound?

• Element
• Compound

Tags

NGSS.MS-PS1-1

Water (H₂O) freezing is an example of:

• A chemical change
• A physical change

Tags

NGSS.MS-PS1-4

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 is not a compound?

• HCl
• Cl
• NaCl
• CO2

Tags

NGSS.MS-PS1-1

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

Tags

NGSS.MS-PS1-1

Which of the following could be a symbol on he periodic table of elements?

• JZ
• jz
• Jz
• JZa

Salt water boils and the water completely evaporates, salt (NaCl) is left in the bottom of the beaker. Which of the following is left in the beaker?

• Compound
• Element
• Mixture
• None of the Above

Tags

NGSS.MS-PS1-4