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4 cards from this section. Quick, good the night before a test.
What is the chemical symbol for Carbon?
Think of the first letter of the element's name.
How many atoms are in a monoatomic element?
Mono means one.
What is the chemical symbol for Sodium?
Think of what 'Na' comes from.
True or False: Valency indicates the number of protons in an atom.
Consider what makes atoms bond together.
Given that nitrogen has a valency of 3 and oxygen has a valency of 2, write the chemical formula for nitrogen oxide.
Use the criss-cross method for balancing the charges.
Describe how you would balance the equation for the combustion of propane (C₃H₈) in oxygen.
Start by balancing carbon, then hydrogen, and finally oxygen.
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