Common Ions You Need to Know

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Reviewed by
Dr. Mike Christiansen
Key Takeaway
Table of Contents

    The DAT general chemistry section expects you to be fluent in chemical compounds. For example, do you know the formula for chromate? Below is a selected list of common ions you should know for the DAT.

    * Also, a common mistake I see is people thinking helium is a diatomic molecule (He2). The formula for helium gas is just He. Helium is a noble gas and already has a full shell.

    Common ions you should know for the DAT
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    Hannah Brein, DAT Bootcamp Student