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3 cards from this section. Quick, good the night before a test.
What does the atomic number represent?
Think about what defines an element.
What is a group in the periodic table?
Look for elements that behave similarly.
What is the atomic number?
Remember what distinguishes one element from another.
True or False: Elements in the same group have identical atomic numbers.
Think about groups vs. periods.
Predict the reactivity of an element in Group 2. What would happen when it reacts with water? Provide a reaction equation.
Remember the general behaviors of alkaline earth metals.
Compare the boiling points of alkali metals as you go down the group. Why do they change?
Think about the structure and bonding changes in heavier elements.
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