Atoms, compounds, and ions

Progress
Introduction to the atom
Ions and compounds
Names and formulas of ionic compounds
Mass spectrometry
Unit test
10 questions
1Take the unit test to identify your areas for growth.
2Review the recommended lessons.
3Test yourself again to show your growth.
Lessons
Introduction to the atomIons and compoundsNames and formulas of ionic compoundsMass spectrometryUnit test
Introduction to the atom
Learn
Introduction to chemistry
Preparing to study chemistry
Elements and atoms
Atomic weight and atomic mass
Worked example: Atomic weight calculation
The mole and Avogadro's number
Atomic number, mass number, and isotopes
Worked example: Identifying isotopes and ions
Practice
Isotope composition: Counting protons, electrons, and neutrons
7 questions
Completed
Ions and compounds
Learn
Introduction to ions
Naming ions and ionic compounds
Molecules and compounds
Empirical, molecular, and structural formulas
Molecular mass and molecular weight
Practice
Predict the charge on monatomic ions
4 questions
Completed
Names and formulas of ionic compounds
Learn
Naming ions and ionic compounds
Naming monatomic ions and ionic compounds
Common polyatomic ions
Polyatomic ions
Naming ionic compound with polyvalent ion
Finding formula for ionic compounds
Practice
Naming ionic compounds
7 questions
Completed
Find the formula for ionic compounds
7 questions
Completed
Mass spectrometry
Learn
Isotopes and mass spectrometry
Unit test
Test your understanding of Atoms, compounds, and ions with these 10 questions.

It takes about 7 to 10 minutes to finish this test.