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Oak National Academy
12 questions
Which element does the chemical symbol 'O' represent?
In the chemical formula CO₂, what element does 'C' represent?
Which of the following is a molecule?
Match the chemical formula to the correct substance.
Each ___ is represented by its own chemical symbol, for example 'K', 'Fe' or 'C'.
Match each term with its correct definition.
What does the chemical formula H₂O represent?
In the formula CO₂, what does the subscript '2' indicate?
It is important to write subscript values correctly, both in terms of the value, but also in their physical size and placement to accurately represent the correct number of each type of ...
What is the difference between H₂O and H₂O₂?
Which statement best defines a chemical formula?
Match the following chemical substances up to the key terms.
