4 Questions
What is the purpose of using chemical formulae in a chemical equation?
To make the equation more concise and useful
According to the law of conservation of mass, what happens to mass in a chemical reaction?
The total mass remains the same before and after a chemical reaction
How can you tell if a chemical equation is balanced?
By counting and comparing the number of atoms of each element on both sides of the arrow
Why is it necessary to balance a skeletal chemical equation?
To ensure that the number of atoms of each element remains the same before and after a chemical reaction
Test your knowledge of chemical equations and formulae in this quiz. Explore how to represent chemical reactions concisely using chemical formulae and compare the number of atoms of each element on both sides of the equation.
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