Intro to Chemistry/Matter

Which is an example of a physical property?

• rusting
• boiling point
• combustion
• reactivity with water

How many atoms of Sulfur are there in
H₂SO₄

• 2
• 5
• 1
• 4

How many elements are in H₂O?

• 1
• 2
• 3
• 4

Which of the following is a compound?

• Ca
• O₂
• C
• CO₂

How many atoms of carbon (C) are in C₆H₁₂O₆?

• 3
• 6
• 12
• 24

Element or compound?
O₂

• Element
• Compound

Tags

NGSS.MS-PS1-1

Element or compound?
H₂O

• element
• compound

Tags

NGSS.MS-PS1-1

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

When materials combine to form a mixture, they

• A. keep their original properties.
• B. react to form a new substance with new properties.
• C. combine in a specific ratio.
• D. always change their physical state.

What is a pure substance made of two or more elements that are chemically combined called?

• A. element
• B. compound     
• C. mixture
• D. solution