Balancing Chemical Equations in 3 Easy Steps

Mrs. Bodashon explains how to balance chemical equations in three steps. She begins by identifying if the equation is balanced, then discusses the role of polyatomic ions. The second step involves adding coefficients to balance the equation, while the third step focuses on recounting atoms and adjusting coefficients. She provides helpful tips and concludes with a reminder about the importance of understanding coefficients in chemical equations.

What is the first step in balancing a chemical equation?

• Add coefficients

• Count atoms

• Adjust subscripts

• Identify polyatomic ions

How should polyatomic ions be counted if they appear the same on both sides of the equation?

• As one unit

• As individual atoms

• As separate elements

• They should not be counted

What should you avoid adding to balance a chemical equation?

• Coefficients

• Subscripts

• Polyatomic ions

• Reactants

Which elements should you avoid starting with when balancing an equation?

• Iron and Sulfur

• Hydrogen and Oxygen

• Carbon and Nitrogen

• Sodium and Chlorine

What is the distributive property used for in balancing equations?

• Adding subscripts

• Multiplying coefficients with subscripts

• Counting atoms

• Identifying polyatomic ions

What should you do if nothing in the equation is balanced initially?

• Start with the highest subscript

• Start with hydrogen or oxygen

• Start with the element that appears the most

• Start with the element that appears the least

What is the final step in balancing a chemical equation?

• Identify polyatomic ions

• Recount atoms and adjust coefficients

• Add coefficients

• Add subscripts

What should you do if you have to use high coefficient numbers?

• Add more subscripts

• Ignore them

• Leave them as they are

• Reduce them at the end

What should you always put in a blank when writing your answer down?

• One

• Two

• Three

• Zero

What will your answer on a quiz or test typically include?

• The coefficients found to balance the equation

• The number of atoms

• The balanced equation

• The subscripts used

Tags

NGSS.HS-PS1-7