Chemistry STAAR Review 24-25

Pure substances made of 2 or more different elements that are chemically combined in a specific ratio is a . . .

• Atom

• Element

• Compound

• Molecule

Tags

NGSS.MS-PS1-1

Pure substances listed on the periodic table that cannot be broken down into any other substances by chemical or physical means

• Elements

• Compounds

• Molecules

• Mixtures

What is Carbon (C)?

• Element

• Compound

• Mixture

• Element

• Compound

• Mixture

Tags

NGSS.MS-PS1-1

What is iron (Fe)?

• Element

• Compound

• Mixture

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

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

• 3
• 6
• 12
• 24

Tags

NGSS.MS-PS1-1

Which of the following is a compound?

• Co
• O₂
• C
• CO₂

Tags

NGSS.MS-PS1-1

Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)

• H₃SO₄
• HSO₄
• H₄S₃O
• H₂O

Tags

NGSS.MS-PS1-1

The red numbers in the image below represent ________

• subscripts
• coefficients
• I don't know, and don't want to try
• None of the answers are correct

Tags

NGSS.HS-PS1-7