Periodic Trends

Henry Moseley was the last scientist to determine an organized arrangement for elements in the periodic table. Moseley arranged the elements by their atomic numbers. When he did this, a series of periodic trends were revealed. View this presentation to learn about the trends that exist on the periodic table of elements.

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Periodic Trends Review

At first glance, the periodic table appears to have the elements organized nicely using periods and groups according the atomic number. Upon closer inspection, the periodic table displays several trends. Check your knowledge of periodic trends in this non-graded activity. Read each question and use your cursor to select the appropriate answer on the periodic table. Then, click SUBMIT to check your response. Click on the interactivity thumbnail, and then click NEXT to get started.