Trends in the Periodic Table
Chemistry ⇒ Atomic Structure and the Periodic Table
Trends in the Periodic Table starts at 9 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Trends in the Periodic Table.
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See sample questions for grade 9
As you move down a group in the periodic table, what happens to the atomic radius?
Describe the trend in atomic radius as you move from left to right across a period.
Describe the trend in metallic character across a period from left to right.
Describe the trend in reactivity of Group 1 elements as you go down the group.
Explain why alkali metals are highly reactive.
Explain why elements in the same group have similar chemical properties.
Explain why noble gases are generally unreactive.
Explain why the atomic radius decreases across a period from left to right.
Explain why the reactivity of halogens decreases down the group.
Which element has a larger atomic radius: potassium (K) or lithium (Li)?
Which element is more metallic: sodium (Na) or aluminum (Al)?
