Introduction to the atom (K-A)

• Introduction to chemistry (K-A)
• Preparing to study chemistry (K-A)
• Elements and atoms (K-A)
• Atomic weight and atomic mass (K-A)
• Worked example: Atomic weight calculation (K-A)
• The mole and Avogadro's number (K-A)
• Worked example: Identifying isotopes and ions (K-A)
• Average atomic mass