Main content

Atoms, compounds, and ions

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Introduction to chemistryPreparing to study chemistryElements and atomsAtomic weight and atomic massWorked example: Atomic weight calculationThe mole and Avogadro's numberAtomic number, mass number, and isotopesWorked example: Identifying isotopes and ions
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Introduction to ionsNaming ions and ionic compoundsMolecules and compoundsEmpirical, molecular, and structural formulasMolecular mass and molecular weight
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Naming ions and ionic compoundsNaming monatomic ions and ionic compoundsCommon polyatomic ionsPolyatomic ionsNaming ionic compound with polyvalent ionFinding formula for ionic compounds
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!
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Isotopes and mass spectrometry

About this unit

Chemistry is the study of matter, and all matter is made up of atoms. We will learn about elements, atomic number and mass, isotopes, moles (chemistry moles, not the animal), and compounds.