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Unit 1: Atoms, compounds, and ions

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About this unit

This unit is part of the Chemistry library. Browse videos, articles, and exercises by topic.

Introduction to the atom

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Practice

Isotope composition: Counting protons, electrons, and neutronsGet 5 of 7 questions to level up!

Ions and compounds

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Names and formulas of ionic compounds

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Practice

Predict the charge on monatomic ionsGet 3 of 4 questions to level up!
Naming ionic compoundsGet 3 of 4 questions to level up!
Find the formula for ionic compoundsGet 3 of 4 questions to level up!

Quiz 1

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Unit test

Level up on all the skills in this unit and collect up to 400 Mastery points!