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3 cards from this section. Quick, good the night before a test.
What is the chemical symbol for Oxygen?
Look for the letter that comes first in the name.
What is the atomicity of Nitrogen gas (N₂)?
Count the number of nitrogen atoms in the molecule.
What does the chemical symbol 'Na' stand for?
Remember the first letter and image of the element.
True or False: The valency of Oxygen is 1.
Recall Oxygen's ability to form bonds based on its outer electrons.
If Ammonium has a valency of 1 and Phosphate has a valency of 3, derive the formula for Ammonium Phosphate.
Use criss-cross to see how they balance.
Balance the equation: C₄H₁₀ + O₂ → CO₂ + H₂O.
Count each atom carefully on both sides.
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