Predicting Ion Charge Trainer

Instructions

  1. Use the highlighted element and periodic table to predict valence electrons, electron transfer, and ion charge.
  2. Choose an answer for each step. Hint offers guidance; Show me explains an answer after two unsuccessful attempts.
  3. Finish a full mixed round to get a completion code. Practice options lets you start a new round or choose one element.

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Main groups only. Transition metals are not shown.

Practice options

Start a fresh mixed round or work on one element. Starting again clears this round.

Changes apply from the next element.

About this activity

Use valence electrons to predict the charge each element forms as an ion. Step-by-step hints help when you get stuck.

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