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5 cards from this section. Quick, good the night before a test.
What is the chemical symbol for Sodium?
It comes from the Latin name.
What does H₂O represent?
Think of what we drink every day!
What is the chemical symbol for Oxygen?
Look for the single letter symbol.
True or False: Water has a molecular formula of H₂O.
Think about what you learned about chemical formulas.
Consider the reaction: N₂ + 3H₂ → 2NH₃. What is the total number of each atom before and after the reaction?
Count each type of atom on both sides.
If a molecule of Sulfur (S₈) reacts with Oxygen (O₂) to form Sulfur Dioxide (SO₂), write the balanced chemical equation.
Check how many Sulfur and Oxygen atoms are produced.
6 more questions in this section. Enroll free to practise them all.
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