Counting atoms and balancing equations

Front

What is the total number of atoms in Al₂(SO₃)₃?

Back

14

Tags

NGSS.MS-PS1-1

Front

How many atoms are in Al(OH)₃?

Back

7

Tags

NGSS.MS-PS1-1

Front

Calculate the total number of atoms in 3F₂(CO₃)₂.

Back

30

Tags

NGSS.MS-PS1-1

Front

How many Magnesium atoms are present in 10MgCl₂?

Back

10

Tags

NGSS.MS-PS1-1

Front

What does the law of conservation of matter state?

Back

Atoms are neither created nor destroyed in chemical reactions.

Tags

NGSS.MS-PS1-5

Front

Define a chemical equation.

Back

A representation of a chemical reaction using symbols and formulas.

Tags

NGSS.MS-PS1-1

Front

What is a reactant in a chemical reaction?

Back

A substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical reaction?

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A substance that is formed as a result of a chemical reaction.

Front

What does it mean to balance a chemical equation?

Back

To ensure that the number of atoms for each element is the same on both sides of the equation.

Tags

NGSS.MS-PS1-5

Front

What is the significance of coefficients in a chemical equation?

Back

Coefficients indicate the number of molecules or moles of a substance involved in the reaction.