Atomic Theory & Radioactivity
Investigate how atomic models changed in response to experimental evidence, compare isotopes, model alpha, beta and gamma decay, and explore radioactive half-life using…
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Chemistry · Atoms & the Periodic Table
Periodic Table & Reactivity Challenge
A randomised challenge testing periodic table position, chemical families, valence electrons, noble-gas stability and reactivity trend predictions.
Years 9–10ChallengePeriodic Table and Reactivity
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Periodic Table & Reactivity Challenge is one of the licensed interactives in The Education Universe. This page describes it; teachers use it in lessons and classes with a licence or the free trial.