5 Questions
Which is the most concise way to represent the chemical equation for the burning of magnesium in air?
Mg + O2 → MgO
What does an unbalanced chemical equation mean?
The number of atoms of each element is not the same on both sides of the equation
What does a skeletal chemical equation represent?
An unbalanced chemical equation
What is the chemical formula for magnesium oxide?
MgO
What is the chemical formula for oxygen?
O
Test your knowledge on chemical equations and learn how to represent them using chemical formulae. Discover the concise and useful way of writing chemical reactions. Can you count and compare the elements involved? Take the quiz now!
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