Counting Atoms: Law of Conservation of Mass

The _____________________________ states that the amount of matter does not change during a chemical reaction, only that the atoms are rearranged to form new substances.

• Law of Density

• Law of Conservation of Mass/Matter

• Atomic Theory

• Periodic Table

Tags

NGSS.MS-PS1-5

Which chemical formula represents Carbon Dioxide in this chemical equation?

• CO₂

• H₂O

• C₆H₁₂O₆

• O₂

Tags

NGSS.MS-PS1-5

NGSS.MS-LS1-6

Which chemical formula represents Glucose/Sugar in this chemical equation?

• CO₂

• H₂O

• C₆H₁₂O₆

• O₂

Tags

NGSS.MS-PS1-5

NGSS.MS-LS1-6

NGSS.MS-LS1-7

Which chemical formula represents Water in this chemical equation?

• CO₂

• H₂O

• C₆H₁₂O₆

• O₂

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

NGSS.MS-PS1-1

What is the coefficient in front of CO₂ in this chemical equation?

• None/1

• 2

• 6

• 12

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

What is the subscript on Oxygen in the CO₂ molecules in this chemical equation?

• None/1

• 2

• 6

• 12

Tags

NGSS.MS-PS1-5

How many total Carbon (C) atoms are in the 6 CO₂ in this chemical equation?

• None/1

• 2

• 6

• 12

Tags

NGSS.MS-PS1-5

How many total Oxygen (O) atoms are in the 6 CO₂ in this chemical equation?

• None/1

• 2

• 6

• 12

Tags

NGSS.MS-PS1-5

What are the reactants in this chemical equation?

• CO₂ + H₂O

• H₂O

• C₆H₁₂O₆

• C₆H₁₂O₆ + O₂

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

What are the products in this chemical equation?

• CO₂ + H₂O

• H₂O

• C₆H₁₂O₆

• C₆H₁₂O₆ + O₂

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7