Choose your mode
Practice: check answers, get feedback and retry. Assessment: one scored submission per challenge, no hints until the end.
Online progress saves automatically after you begin. Write down your 5-character resume code to continue on another iPad.
Assessment results are shown on screen and can be downloaded as a CSV. This game does not automatically post grades to Canvas.
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Your resume code
Write down this code. Use Resume Game on any iPad to continue. Your work saves automatically when connected to the internet.
Creating code…
Connecting…
Periodic table reference (click to expand)
Group numbers 1–18; period = row. Main-group valence pattern: groups 1, 2, 13–18 → 1–8 (helium has 2).