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3 cards from this section. Quick, good the night before a test.
What happens to atomic size as you go from left to right across a period?
Think about how protons in the nucleus affect electrons.
Does metallic character increase or decrease down a group?
Consider properties of metals versus nonmetals.
What happens to atomic size as you move down a group?
Remember the layers of shell.
Ionization energy generally does what as you move across a period?
Think about attraction between protons and electrons.
Compare the atomic radius of Sodium (Na) and Potassium (K). Why does K have a larger atomic radius?
Focus on their positions in the periodic table.
Predict the reactivity of Fluorine compared to Chlorine based on their periodic properties. Explain your reasoning.
Consider how their position affects the ability to attract electrons.
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