9.1 Mastery Check

9.1 Mastery Check

Assessment

Flashcard

Science

11th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a balanced chemical equation?

Back

A balanced chemical equation has the same number of each type of atom on both sides of the equation, indicating that mass is conserved during the reaction.

2.

FLASHCARD QUESTION

Front

What are reactants in a chemical equation?

Back

Reactants are the substances that undergo a chemical change in a reaction, found on the left side of the equation.

3.

FLASHCARD QUESTION

Front

What are products in a chemical equation?

Back

Products are the substances formed as a result of a chemical reaction, found on the right side of the equation.

4.

FLASHCARD QUESTION

Front

How do you determine if a chemical equation is balanced?

Back

Count the number of atoms of each element on both sides of the equation. If they are equal, the equation is balanced.

5.

FLASHCARD QUESTION

Front

What does it mean if an equation is not balanced?

Back

If an equation is not balanced, it means that the law of conservation of mass is violated, indicating that the number of atoms of each element is not the same on both sides.

6.

FLASHCARD QUESTION

Front

What is the first step in balancing a chemical equation?

Back

Identify the number of atoms of each element in the reactants and products.

7.

FLASHCARD QUESTION

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 and are used to balance the equation.

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