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3 cards from this section. Quick, good the night before a test.
What is the electron configuration for Fluorine?
Count the total number of electrons for Fluorine.
What trend is observed in atomic radius as you move across Period 2?
Consider the increasing number of protons.
What is the electron configuration of Sodium?
Sodium is in Period 3; think about filling order.
Which element has the highest effective nuclear charge in Period 2?
Look at the position of the elements.
Explain the significance of electron configurations in predicting elemental properties. How would changes to the electronic structure affect reactivity?
Consider examples of noble gases as stable structures.
Compare and contrast the atomic radius of elements in Period 2 and Period 3. What factors account for these differences?
Think about the impact of additional electron shells.
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