Balancing Chemical Equations Concepts

Balancing Chemical Equations Concepts

Assessment

Interactive Video

Chemistry, Science, Mathematics

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains how to balance chemical equations by ensuring the same number of each element on both sides of the reaction. It involves counting atoms, focusing on metals and non-metals, and adjusting coefficients to achieve balance. The process is demonstrated step-by-step, highlighting the importance of balancing metals first, followed by non-metals and other elements.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to have the same number of each element on both sides of a chemical equation?

To increase the yield of the reaction.

To comply with the law of conservation of mass.

To make the equation look neat.

To ensure the reaction is fast.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in balancing a chemical equation?

Removing elements that are in excess.

Adding new elements to the equation.

Counting the number of atoms for each element.

Changing the subscripts of the compounds.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When counting atoms, which type of elements should be considered first?

Non-metals

Gases

Liquids

Metals

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you balance non-metals in a chemical equation?

By adjusting the coefficients.

By adding more reactants.

By changing the subscripts.

By removing products.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of correctly adjusting the coefficients in a chemical equation?

The equation becomes unbalanced.

The equation becomes balanced.

The equation becomes longer.

The equation becomes shorter.